diff --git a/js/js.tests/test/org/jetbrains/k2js/test/MultipleFilesTranslationTest.java b/js/js.tests/test/org/jetbrains/k2js/test/MultipleFilesTranslationTest.java
new file mode 100644
index 00000000000..37e969015af
--- /dev/null
+++ b/js/js.tests/test/org/jetbrains/k2js/test/MultipleFilesTranslationTest.java
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2000-2012 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.k2js.test;
+
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.k2js.test.rhino.RhinoFunctionResultChecker;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.List;
+
+import static org.jetbrains.k2js.test.rhino.RhinoUtils.runRhinoTest;
+import static org.jetbrains.k2js.test.utils.TranslationUtils.translateFiles;
+
+/**
+ * @author Pavel Talanov
+ */
+public abstract class MultipleFilesTranslationTest extends BasicTest {
+
+    public MultipleFilesTranslationTest(@NotNull String main) {
+        super(main);
+    }
+
+    protected void generateJsFromDir(@NotNull String dirName) throws Exception {
+        String dirPath = getInputFilePath(dirName);
+        File dir = new File(dirPath);
+        List<String> fullFilePaths = new ArrayList<String>();
+        for (String fileName : dir.list()) {
+            fullFilePaths.add(getInputFilePath(dirName) + "/" + fileName);
+        }
+        assert dir.isDirectory();
+        translateFiles(getProject(), fullFilePaths, getOutputFilePath(dirName + ".kt"));
+    }
+
+    protected void runMultiFileTest(@NotNull String dirName, @NotNull String namespaceName,
+                                    @NotNull String functionName, @NotNull Object expectedResult) throws Exception {
+        generateJsFromDir(dirName);
+        runRhinoTest(withKotlinJsLib(getOutputFilePath(dirName + ".kt")),
+                     new RhinoFunctionResultChecker(namespaceName, functionName, expectedResult));
+    }
+
+    public void checkFooBoxIsTrue(@NotNull String dirName) throws Exception {
+        runMultiFileTest(dirName, "foo", "box", true);
+    }
+}
+
diff --git a/js/js.tests/test/org/jetbrains/k2js/test/TranslationTest.java b/js/js.tests/test/org/jetbrains/k2js/test/SingleFileTranslationTest.java
similarity index 69%
rename from js/js.tests/test/org/jetbrains/k2js/test/TranslationTest.java
rename to js/js.tests/test/org/jetbrains/k2js/test/SingleFileTranslationTest.java
index b627b304f9b..ee2f23758bc 100644
--- a/js/js.tests/test/org/jetbrains/k2js/test/TranslationTest.java
+++ b/js/js.tests/test/org/jetbrains/k2js/test/SingleFileTranslationTest.java
@@ -21,22 +21,18 @@ import org.jetbrains.k2js.test.rhino.RhinoFunctionResultChecker;
 import org.jetbrains.k2js.test.rhino.RhinoSystemOutputChecker;
 import org.jetbrains.k2js.test.utils.TranslationUtils;
 
-import java.io.File;
-import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.List;
 
 import static org.jetbrains.k2js.test.rhino.RhinoUtils.runRhinoTest;
 import static org.jetbrains.k2js.test.utils.JsTestUtils.readFile;
-import static org.jetbrains.k2js.test.utils.TranslationUtils.translateFiles;
 
 /**
  * @author Pavel Talanov
  */
 @SuppressWarnings("JUnitTestCaseWithNonTrivialConstructors")
-public abstract class TranslationTest extends BasicTest {
+public abstract class SingleFileTranslationTest extends BasicTest {
 
-    public TranslationTest(@NotNull String main) {
+    public SingleFileTranslationTest(@NotNull String main) {
         super(main);
     }
 
@@ -47,29 +43,10 @@ public abstract class TranslationTest extends BasicTest {
                      new RhinoFunctionResultChecker(namespaceName, functionName, expectedResult));
     }
 
-    protected void runMultiFileTest(String dirName, String namespaceName,
-                                    String functionName, Object expectedResult) throws Exception {
-        generateJsFromDir(dirName);
-        runRhinoTest(withKotlinJsLib(getOutputFilePath(dirName + ".kt")),
-                     new RhinoFunctionResultChecker(namespaceName, functionName, expectedResult));
-    }
-
     protected void generateJsFromFile(@NotNull String filename) throws Exception {
         TranslationUtils.translateFile(getProject(), getInputFilePath(filename), getOutputFilePath(filename));
     }
 
-    protected void generateJsFromDir(@NotNull String dirName) throws Exception {
-        String dirPath = getInputFilePath(dirName);
-        File dir = new File(dirPath);
-        List<String> fullFilePaths = new ArrayList<String>();
-        for (String fileName : dir.list()) {
-            fullFilePaths.add(getInputFilePath(dirName) + "/" + fileName);
-        }
-        assert dir.isDirectory();
-        translateFiles(getProject(), fullFilePaths, getOutputFilePath(dirName + ".kt"));
-    }
-
-
     public void checkFooBoxIsTrue(@NotNull String filename) throws Exception {
         runFunctionOutputTest(filename, "foo", "box", true);
     }
diff --git a/js/js.tests/test/org/jetbrains/k2js/test/semantics/AbstractExpressionTest.java b/js/js.tests/test/org/jetbrains/k2js/test/semantics/AbstractExpressionTest.java
index fd43374b811..fa6a0fed92d 100644
--- a/js/js.tests/test/org/jetbrains/k2js/test/semantics/AbstractExpressionTest.java
+++ b/js/js.tests/test/org/jetbrains/k2js/test/semantics/AbstractExpressionTest.java
@@ -17,12 +17,12 @@
 package org.jetbrains.k2js.test.semantics;
 
 import org.jetbrains.annotations.NotNull;
-import org.jetbrains.k2js.test.TranslationTest;
+import org.jetbrains.k2js.test.SingleFileTranslationTest;
 
 /**
  * @author Pavel Talanov
  */
-public abstract class AbstractExpressionTest extends TranslationTest {
+public abstract class AbstractExpressionTest extends SingleFileTranslationTest {
 
     public AbstractExpressionTest(@NotNull String main) {
         super("expression/" + main);
diff --git a/js/js.tests/test/org/jetbrains/k2js/test/semantics/ClassInheritanceTest.java b/js/js.tests/test/org/jetbrains/k2js/test/semantics/ClassInheritanceTest.java
index 6ee7552f759..2347708650a 100644
--- a/js/js.tests/test/org/jetbrains/k2js/test/semantics/ClassInheritanceTest.java
+++ b/js/js.tests/test/org/jetbrains/k2js/test/semantics/ClassInheritanceTest.java
@@ -16,12 +16,12 @@
 
 package org.jetbrains.k2js.test.semantics;
 
-import org.jetbrains.k2js.test.TranslationTest;
+import org.jetbrains.k2js.test.SingleFileTranslationTest;
 
 /**
  * @author Pavel Talanov
  */
-public final class ClassInheritanceTest extends TranslationTest {
+public final class ClassInheritanceTest extends SingleFileTranslationTest {
 
     public ClassInheritanceTest() {
         super("inheritance/");
diff --git a/js/js.tests/test/org/jetbrains/k2js/test/semantics/ExamplesTest.java b/js/js.tests/test/org/jetbrains/k2js/test/semantics/ExamplesTest.java
index bda820d0b84..43acc444b4b 100644
--- a/js/js.tests/test/org/jetbrains/k2js/test/semantics/ExamplesTest.java
+++ b/js/js.tests/test/org/jetbrains/k2js/test/semantics/ExamplesTest.java
@@ -19,7 +19,7 @@ package org.jetbrains.k2js.test.semantics;
 import com.intellij.testFramework.UsefulTestCase;
 import junit.framework.Test;
 import org.jetbrains.annotations.NotNull;
-import org.jetbrains.k2js.test.TranslationTest;
+import org.jetbrains.k2js.test.SingleFileTranslationTest;
 import org.jetbrains.k2js.test.utils.SuiteBuilder;
 
 @SuppressWarnings("JUnitTestCaseWithNoTests")
@@ -28,7 +28,7 @@ public final class ExamplesTest extends UsefulTestCase {
     public static Test suite() throws Exception {
         return SuiteBuilder.suiteForDirectory("examples/", new SuiteBuilder.Tester() {
             @Override
-            public void performTest(@NotNull TranslationTest test, @NotNull String filename) throws Exception {
+            public void performTest(@NotNull SingleFileTranslationTest test, @NotNull String filename) throws Exception {
                 test.runFunctionOutputTest(filename, "Anonymous", "box", "OK");
             }
         });
diff --git a/js/js.tests/test/org/jetbrains/k2js/test/semantics/ExtensionFunctionTest.java b/js/js.tests/test/org/jetbrains/k2js/test/semantics/ExtensionFunctionTest.java
index 1e5f6c61956..36ccebbc444 100644
--- a/js/js.tests/test/org/jetbrains/k2js/test/semantics/ExtensionFunctionTest.java
+++ b/js/js.tests/test/org/jetbrains/k2js/test/semantics/ExtensionFunctionTest.java
@@ -16,12 +16,12 @@
 
 package org.jetbrains.k2js.test.semantics;
 
-import org.jetbrains.k2js.test.TranslationTest;
+import org.jetbrains.k2js.test.SingleFileTranslationTest;
 
 /**
  * @author Pavel Talanov
  */
-public final class ExtensionFunctionTest extends TranslationTest {
+public final class ExtensionFunctionTest extends SingleFileTranslationTest {
 
     public ExtensionFunctionTest() {
         super("extensionFunction/");
diff --git a/js/js.tests/test/org/jetbrains/k2js/test/semantics/ExtensionPropertyTest.java b/js/js.tests/test/org/jetbrains/k2js/test/semantics/ExtensionPropertyTest.java
index 542e6d067fc..cafc76cb3bd 100644
--- a/js/js.tests/test/org/jetbrains/k2js/test/semantics/ExtensionPropertyTest.java
+++ b/js/js.tests/test/org/jetbrains/k2js/test/semantics/ExtensionPropertyTest.java
@@ -16,12 +16,12 @@
 
 package org.jetbrains.k2js.test.semantics;
 
-import org.jetbrains.k2js.test.TranslationTest;
+import org.jetbrains.k2js.test.SingleFileTranslationTest;
 
 /**
  * @author Pavel Talanov
  */
-public final class ExtensionPropertyTest extends TranslationTest {
+public final class ExtensionPropertyTest extends SingleFileTranslationTest {
 
     public ExtensionPropertyTest() {
         super("extensionProperty/");
diff --git a/js/js.tests/test/org/jetbrains/k2js/test/semantics/JavaClassesTest.java b/js/js.tests/test/org/jetbrains/k2js/test/semantics/JavaClassesTest.java
index c5dac4309c2..86f970c5a8b 100644
--- a/js/js.tests/test/org/jetbrains/k2js/test/semantics/JavaClassesTest.java
+++ b/js/js.tests/test/org/jetbrains/k2js/test/semantics/JavaClassesTest.java
@@ -17,12 +17,12 @@
 package org.jetbrains.k2js.test.semantics;
 
 import org.jetbrains.annotations.NotNull;
-import org.jetbrains.k2js.test.TranslationTest;
+import org.jetbrains.k2js.test.SingleFileTranslationTest;
 
 /**
  * @author Pavel Talanov
  */
-public abstract class JavaClassesTest extends TranslationTest {
+public abstract class JavaClassesTest extends SingleFileTranslationTest {
 
     public JavaClassesTest(@NotNull String main) {
         super("java/" + main);
diff --git a/js/js.tests/test/org/jetbrains/k2js/test/semantics/KotlinLibTest.java b/js/js.tests/test/org/jetbrains/k2js/test/semantics/KotlinLibTest.java
index a00379d2dec..190b62690f8 100644
--- a/js/js.tests/test/org/jetbrains/k2js/test/semantics/KotlinLibTest.java
+++ b/js/js.tests/test/org/jetbrains/k2js/test/semantics/KotlinLibTest.java
@@ -17,7 +17,7 @@
 package org.jetbrains.k2js.test.semantics;
 
 import org.jetbrains.annotations.NotNull;
-import org.jetbrains.k2js.test.TranslationTest;
+import org.jetbrains.k2js.test.SingleFileTranslationTest;
 import org.jetbrains.k2js.test.rhino.RhinoFunctionResultChecker;
 import org.jetbrains.k2js.test.rhino.RhinoResultChecker;
 import org.mozilla.javascript.Context;
@@ -30,7 +30,7 @@ import static org.jetbrains.k2js.test.rhino.RhinoUtils.runRhinoTest;
 /**
  * @author Pavel Talanov
  */
-public final class KotlinLibTest extends TranslationTest {
+public final class KotlinLibTest extends SingleFileTranslationTest {
 
     public KotlinLibTest() {
         super("kotlinLib/");
diff --git a/js/js.tests/test/org/jetbrains/k2js/test/semantics/MultiFileTest.java b/js/js.tests/test/org/jetbrains/k2js/test/semantics/MultiFileTest.java
index 8cd80441987..a781739715c 100644
--- a/js/js.tests/test/org/jetbrains/k2js/test/semantics/MultiFileTest.java
+++ b/js/js.tests/test/org/jetbrains/k2js/test/semantics/MultiFileTest.java
@@ -16,14 +16,12 @@
 
 package org.jetbrains.k2js.test.semantics;
 
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.k2js.test.TranslationTest;
+import org.jetbrains.k2js.test.MultipleFilesTranslationTest;
 
 /**
  * @author Pavel Talanov
  */
-public final class MultiFileTest extends TranslationTest {
-
+public final class MultiFileTest extends MultipleFilesTranslationTest {
 
     public MultiFileTest() {
         super("multiFile/");
@@ -36,9 +34,4 @@ public final class MultiFileTest extends TranslationTest {
     public void testClassesInheritedFromOtherFile() throws Exception {
         checkFooBoxIsTrue("classesInheritedFromOtherFile");
     }
-
-    @Override
-    public void checkFooBoxIsTrue(@NotNull String dirName) throws Exception {
-        runMultiFileTest(dirName, "foo", "box", true);
-    }
 }
diff --git a/js/js.tests/test/org/jetbrains/k2js/test/semantics/MultiNamespaceTest.java b/js/js.tests/test/org/jetbrains/k2js/test/semantics/MultiNamespaceTest.java
index 661c6b83eae..aa447769680 100644
--- a/js/js.tests/test/org/jetbrains/k2js/test/semantics/MultiNamespaceTest.java
+++ b/js/js.tests/test/org/jetbrains/k2js/test/semantics/MultiNamespaceTest.java
@@ -16,13 +16,12 @@
 
 package org.jetbrains.k2js.test.semantics;
 
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.k2js.test.TranslationTest;
+import org.jetbrains.k2js.test.MultipleFilesTranslationTest;
 
 /**
  * @author Pavel Talanov
  */
-public class MultiNamespaceTest extends TranslationTest {
+public class MultiNamespaceTest extends MultipleFilesTranslationTest {
 
 
     public MultiNamespaceTest() {
@@ -37,9 +36,5 @@ public class MultiNamespaceTest extends TranslationTest {
         checkFooBoxIsTrue("classesInheritedFromOtherNamespace");
     }
 
-    @Override
-    public void checkFooBoxIsTrue(@NotNull String dirName) throws Exception {
-        runMultiFileTest(dirName, "foo", "box", true);
-    }
 }
 
diff --git a/js/js.tests/test/org/jetbrains/k2js/test/semantics/NameClashesTest.java b/js/js.tests/test/org/jetbrains/k2js/test/semantics/NameClashesTest.java
index 7d63b39af15..96ede0765b1 100644
--- a/js/js.tests/test/org/jetbrains/k2js/test/semantics/NameClashesTest.java
+++ b/js/js.tests/test/org/jetbrains/k2js/test/semantics/NameClashesTest.java
@@ -16,12 +16,12 @@
 
 package org.jetbrains.k2js.test.semantics;
 
-import org.jetbrains.k2js.test.TranslationTest;
+import org.jetbrains.k2js.test.SingleFileTranslationTest;
 
 /**
  * @author Pavel Talanov
  */
-public final class NameClashesTest extends TranslationTest {
+public final class NameClashesTest extends SingleFileTranslationTest {
 
 
     public NameClashesTest() {
diff --git a/js/js.tests/test/org/jetbrains/k2js/test/semantics/ObjectTest.java b/js/js.tests/test/org/jetbrains/k2js/test/semantics/ObjectTest.java
index e23a8d90f14..ee3f4e4f9a6 100644
--- a/js/js.tests/test/org/jetbrains/k2js/test/semantics/ObjectTest.java
+++ b/js/js.tests/test/org/jetbrains/k2js/test/semantics/ObjectTest.java
@@ -16,12 +16,12 @@
 
 package org.jetbrains.k2js.test.semantics;
 
-import org.jetbrains.k2js.test.TranslationTest;
+import org.jetbrains.k2js.test.SingleFileTranslationTest;
 
 /**
  * @author Pavel Talanov
  */
-public final class ObjectTest extends TranslationTest {
+public final class ObjectTest extends SingleFileTranslationTest {
 
     public ObjectTest() {
         super("object/");
diff --git a/js/js.tests/test/org/jetbrains/k2js/test/semantics/OperatorOverloadingTest.java b/js/js.tests/test/org/jetbrains/k2js/test/semantics/OperatorOverloadingTest.java
index dd8243f9f9a..d41abdbbe03 100644
--- a/js/js.tests/test/org/jetbrains/k2js/test/semantics/OperatorOverloadingTest.java
+++ b/js/js.tests/test/org/jetbrains/k2js/test/semantics/OperatorOverloadingTest.java
@@ -16,12 +16,12 @@
 
 package org.jetbrains.k2js.test.semantics;
 
-import org.jetbrains.k2js.test.TranslationTest;
+import org.jetbrains.k2js.test.SingleFileTranslationTest;
 
 /**
  * @author Pavel Talanov
  */
-public final class OperatorOverloadingTest extends TranslationTest {
+public final class OperatorOverloadingTest extends SingleFileTranslationTest {
 
     public OperatorOverloadingTest() {
         super("operatorOverloading/");
diff --git a/js/js.tests/test/org/jetbrains/k2js/test/semantics/PatternMatchingTest.java b/js/js.tests/test/org/jetbrains/k2js/test/semantics/PatternMatchingTest.java
index 844ac6164ce..f9b95fc24a5 100644
--- a/js/js.tests/test/org/jetbrains/k2js/test/semantics/PatternMatchingTest.java
+++ b/js/js.tests/test/org/jetbrains/k2js/test/semantics/PatternMatchingTest.java
@@ -16,13 +16,13 @@
 
 package org.jetbrains.k2js.test.semantics;
 
-import org.jetbrains.k2js.test.TranslationTest;
+import org.jetbrains.k2js.test.SingleFileTranslationTest;
 import org.mozilla.javascript.JavaScriptException;
 
 /**
  * @author Pavel Talanov
  */
-public final class PatternMatchingTest extends TranslationTest {
+public final class PatternMatchingTest extends SingleFileTranslationTest {
 
     public PatternMatchingTest() {
         super("patternMatching/");
diff --git a/js/js.tests/test/org/jetbrains/k2js/test/semantics/PropertyAccessTest.java b/js/js.tests/test/org/jetbrains/k2js/test/semantics/PropertyAccessTest.java
index 1997de83254..72c1c4bee15 100644
--- a/js/js.tests/test/org/jetbrains/k2js/test/semantics/PropertyAccessTest.java
+++ b/js/js.tests/test/org/jetbrains/k2js/test/semantics/PropertyAccessTest.java
@@ -16,12 +16,12 @@
 
 package org.jetbrains.k2js.test.semantics;
 
-import org.jetbrains.k2js.test.TranslationTest;
+import org.jetbrains.k2js.test.SingleFileTranslationTest;
 
 /**
  * @author Pavel Talanov
  */
-public final class PropertyAccessTest extends TranslationTest {
+public final class PropertyAccessTest extends SingleFileTranslationTest {
 
     public PropertyAccessTest() {
         super("propertyAccess/");
diff --git a/js/js.tests/test/org/jetbrains/k2js/test/semantics/RTTITest.java b/js/js.tests/test/org/jetbrains/k2js/test/semantics/RTTITest.java
index 1b504a804bb..277eac42b9c 100644
--- a/js/js.tests/test/org/jetbrains/k2js/test/semantics/RTTITest.java
+++ b/js/js.tests/test/org/jetbrains/k2js/test/semantics/RTTITest.java
@@ -16,12 +16,12 @@
 
 package org.jetbrains.k2js.test.semantics;
 
-import org.jetbrains.k2js.test.TranslationTest;
+import org.jetbrains.k2js.test.SingleFileTranslationTest;
 
 /**
  * @author Pavel Talanov
  */
-public class RTTITest extends TranslationTest {
+public class RTTITest extends SingleFileTranslationTest {
 
     public RTTITest() {
         super("rtti/");
diff --git a/js/js.tests/test/org/jetbrains/k2js/test/semantics/RangeTest.java b/js/js.tests/test/org/jetbrains/k2js/test/semantics/RangeTest.java
index fe0115f9e11..1cdf4e0fdd3 100644
--- a/js/js.tests/test/org/jetbrains/k2js/test/semantics/RangeTest.java
+++ b/js/js.tests/test/org/jetbrains/k2js/test/semantics/RangeTest.java
@@ -16,12 +16,12 @@
 
 package org.jetbrains.k2js.test.semantics;
 
-import org.jetbrains.k2js.test.TranslationTest;
+import org.jetbrains.k2js.test.SingleFileTranslationTest;
 
 /**
  * @author Pavel Talanov
  */
-public final class RangeTest extends TranslationTest {
+public final class RangeTest extends SingleFileTranslationTest {
 
     public RangeTest() {
         super("range/");
diff --git a/js/js.tests/test/org/jetbrains/k2js/test/semantics/SafeCallTest.java b/js/js.tests/test/org/jetbrains/k2js/test/semantics/SafeCallTest.java
index 56e7b167b13..9dfe8951aa2 100644
--- a/js/js.tests/test/org/jetbrains/k2js/test/semantics/SafeCallTest.java
+++ b/js/js.tests/test/org/jetbrains/k2js/test/semantics/SafeCallTest.java
@@ -16,12 +16,12 @@
 
 package org.jetbrains.k2js.test.semantics;
 
-import org.jetbrains.k2js.test.TranslationTest;
+import org.jetbrains.k2js.test.SingleFileTranslationTest;
 
 /**
  * @author Pavel Talanov
  */
-public final class SafeCallTest extends TranslationTest {
+public final class SafeCallTest extends SingleFileTranslationTest {
 
     public SafeCallTest() {
         super("safeCall/");
diff --git a/js/js.tests/test/org/jetbrains/k2js/test/semantics/SimpleTest.java b/js/js.tests/test/org/jetbrains/k2js/test/semantics/SimpleTest.java
index 899b664864c..7b7282de0d5 100644
--- a/js/js.tests/test/org/jetbrains/k2js/test/semantics/SimpleTest.java
+++ b/js/js.tests/test/org/jetbrains/k2js/test/semantics/SimpleTest.java
@@ -19,7 +19,7 @@ package org.jetbrains.k2js.test.semantics;
 import com.intellij.testFramework.UsefulTestCase;
 import junit.framework.Test;
 import org.jetbrains.annotations.NotNull;
-import org.jetbrains.k2js.test.TranslationTest;
+import org.jetbrains.k2js.test.SingleFileTranslationTest;
 import org.jetbrains.k2js.test.utils.SuiteBuilder;
 
 /**
@@ -30,7 +30,7 @@ public final class SimpleTest extends UsefulTestCase {
     public static Test suite() throws Exception {
         return SuiteBuilder.suiteForDirectory("simple/", new SuiteBuilder.Tester() {
             @Override
-            public void performTest(@NotNull TranslationTest test, @NotNull String filename) throws Exception {
+            public void performTest(@NotNull SingleFileTranslationTest test, @NotNull String filename) throws Exception {
                 test.checkFooBoxIsTrue(filename);
             }
         });
diff --git a/js/js.tests/test/org/jetbrains/k2js/test/semantics/StandardClassesTest.java b/js/js.tests/test/org/jetbrains/k2js/test/semantics/StandardClassesTest.java
index 57439aff1b7..2495ff78d95 100644
--- a/js/js.tests/test/org/jetbrains/k2js/test/semantics/StandardClassesTest.java
+++ b/js/js.tests/test/org/jetbrains/k2js/test/semantics/StandardClassesTest.java
@@ -16,12 +16,12 @@
 
 package org.jetbrains.k2js.test.semantics;
 
-import org.jetbrains.k2js.test.TranslationTest;
+import org.jetbrains.k2js.test.SingleFileTranslationTest;
 
 /**
  * @author Pavel Talanov
  */
-public final class StandardClassesTest extends TranslationTest {
+public final class StandardClassesTest extends SingleFileTranslationTest {
 
     public StandardClassesTest() {
         super("standardClasses/");
diff --git a/js/js.tests/test/org/jetbrains/k2js/test/semantics/TraitTest.java b/js/js.tests/test/org/jetbrains/k2js/test/semantics/TraitTest.java
index ee67742b51f..fbbdd8f07fc 100644
--- a/js/js.tests/test/org/jetbrains/k2js/test/semantics/TraitTest.java
+++ b/js/js.tests/test/org/jetbrains/k2js/test/semantics/TraitTest.java
@@ -16,12 +16,12 @@
 
 package org.jetbrains.k2js.test.semantics;
 
-import org.jetbrains.k2js.test.TranslationTest;
+import org.jetbrains.k2js.test.SingleFileTranslationTest;
 
 /**
  * @author Pavel Talanov
  */
-public final class TraitTest extends TranslationTest {
+public final class TraitTest extends SingleFileTranslationTest {
 
     public TraitTest() {
         super("trait/");
diff --git a/js/js.tests/test/org/jetbrains/k2js/test/semantics/TupleTest.java b/js/js.tests/test/org/jetbrains/k2js/test/semantics/TupleTest.java
index da8c8970b66..d69ff61f854 100644
--- a/js/js.tests/test/org/jetbrains/k2js/test/semantics/TupleTest.java
+++ b/js/js.tests/test/org/jetbrains/k2js/test/semantics/TupleTest.java
@@ -16,12 +16,12 @@
 
 package org.jetbrains.k2js.test.semantics;
 
-import org.jetbrains.k2js.test.TranslationTest;
+import org.jetbrains.k2js.test.SingleFileTranslationTest;
 
 /**
  * @author Pavel Talanov
  */
-public final class TupleTest extends TranslationTest {
+public final class TupleTest extends SingleFileTranslationTest {
 
 
     public TupleTest() {
diff --git a/js/js.tests/test/org/jetbrains/k2js/test/semantics/WebDemoExamples1Test.java b/js/js.tests/test/org/jetbrains/k2js/test/semantics/WebDemoExamples1Test.java
index d848512e0b1..c8335f17871 100644
--- a/js/js.tests/test/org/jetbrains/k2js/test/semantics/WebDemoExamples1Test.java
+++ b/js/js.tests/test/org/jetbrains/k2js/test/semantics/WebDemoExamples1Test.java
@@ -16,12 +16,12 @@
 
 package org.jetbrains.k2js.test.semantics;
 
-import org.jetbrains.k2js.test.TranslationTest;
+import org.jetbrains.k2js.test.SingleFileTranslationTest;
 
 /**
  * @author Pavel Talanov
  */
-public final class WebDemoExamples1Test extends TranslationTest {
+public final class WebDemoExamples1Test extends SingleFileTranslationTest {
 
     public WebDemoExamples1Test() {
         super("webDemoExamples1/");
diff --git a/js/js.tests/test/org/jetbrains/k2js/test/semantics/WebDemoExamples2Test.java b/js/js.tests/test/org/jetbrains/k2js/test/semantics/WebDemoExamples2Test.java
index f0086e113d3..0b5ef562ed8 100644
--- a/js/js.tests/test/org/jetbrains/k2js/test/semantics/WebDemoExamples2Test.java
+++ b/js/js.tests/test/org/jetbrains/k2js/test/semantics/WebDemoExamples2Test.java
@@ -16,12 +16,12 @@
 
 package org.jetbrains.k2js.test.semantics;
 
-import org.jetbrains.k2js.test.TranslationTest;
+import org.jetbrains.k2js.test.SingleFileTranslationTest;
 
 /**
  * @author Pavel Talanov
  */
-public final class WebDemoExamples2Test extends TranslationTest {
+public final class WebDemoExamples2Test extends SingleFileTranslationTest {
 
     public WebDemoExamples2Test() {
         super("webDemoExamples2/");
diff --git a/js/js.tests/test/org/jetbrains/k2js/test/utils/SuiteBuilder.java b/js/js.tests/test/org/jetbrains/k2js/test/utils/SuiteBuilder.java
index d1c2857bda0..5d17e5ae1c3 100644
--- a/js/js.tests/test/org/jetbrains/k2js/test/utils/SuiteBuilder.java
+++ b/js/js.tests/test/org/jetbrains/k2js/test/utils/SuiteBuilder.java
@@ -19,21 +19,21 @@ package org.jetbrains.k2js.test.utils;
 import com.intellij.testFramework.UsefulTestCase;
 import junit.framework.Test;
 import org.jetbrains.annotations.NotNull;
-import org.jetbrains.k2js.test.TranslationTest;
+import org.jetbrains.k2js.test.SingleFileTranslationTest;
 import org.jetbrains.k2js.test.semantics.TranslatorTestCaseBuilder;
 
 /**
  * @author Pavel Talanov
  */
 @SuppressWarnings("JUnitTestCaseWithNoTests")
-public abstract class SuiteBuilder extends TranslationTest {
+public abstract class SuiteBuilder extends SingleFileTranslationTest {
 
     private SuiteBuilder(@NotNull String pathToMain) {
         super(pathToMain);
     }
 
     public interface Tester {
-        void performTest(@NotNull TranslationTest test, @NotNull String filename) throws Exception;
+        void performTest(@NotNull SingleFileTranslationTest test, @NotNull String filename) throws Exception;
     }
 
     @SuppressWarnings("JUnitTestCaseWithNonTrivialConstructors")