diff --git a/.idea/runConfigurations/Js_backend_tests.xml b/.idea/runConfigurations/Js_backend_tests.xml
new file mode 100644
index 00000000000..011469a460a
--- /dev/null
+++ b/.idea/runConfigurations/Js_backend_tests.xml
@@ -0,0 +1,33 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="Js-backend tests" type="JUnit" factoryName="JUnit">
+    <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea" />
+    <module name="js.tests" />
+    <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
+    <option name="ALTERNATIVE_JRE_PATH" value="" />
+    <option name="PACKAGE_NAME" value="org.jetbrains.k2js.test" />
+    <option name="MAIN_CLASS_NAME" value="" />
+    <option name="METHOD_NAME" value="" />
+    <option name="TEST_OBJECT" value="package" />
+    <option name="VM_PARAMETERS" value="-ea" />
+    <option name="PARAMETERS" value="" />
+    <option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$/js" />
+    <option name="ENV_VARIABLES" />
+    <option name="PASS_PARENT_ENVS" value="true" />
+    <option name="TEST_SEARCH_SCOPE">
+      <value defaultName="moduleWithDependencies" />
+    </option>
+    <envs />
+    <patterns />
+    <RunnerSettings RunnerId="Debug">
+      <option name="DEBUG_PORT" value="" />
+      <option name="TRANSPORT" value="0" />
+      <option name="LOCAL" value="true" />
+    </RunnerSettings>
+    <RunnerSettings RunnerId="Run" />
+    <ConfigurationWrapper RunnerId="Debug" />
+    <ConfigurationWrapper RunnerId="Run" />
+    <method>
+      <option name="AntTarget" enabled="false" antfile="file://$PROJECT_DIR$/js_backend_tests.xml" target="copy_lib" />
+    </method>
+  </configuration>
+</component>
\ No newline at end of file
diff --git a/js/js.tests/test/org/jetbrains/k2js/test/TranslationTest.java b/js/js.tests/test/org/jetbrains/k2js/test/TranslationTest.java
index 07d7e13e7a1..dcb12157e3d 100644
--- a/js/js.tests/test/org/jetbrains/k2js/test/TranslationTest.java
+++ b/js/js.tests/test/org/jetbrains/k2js/test/TranslationTest.java
@@ -42,7 +42,7 @@ import static org.jetbrains.k2js.utils.JetFileUtils.createPsiFileList;
  */
 public abstract class TranslationTest extends BaseTest {
 
-    private static final boolean DELETE_OUT = true;
+    private static final boolean DELETE_OUT = false;
     public static final String TEST_FILES = "js.translator/testFiles/";
     private static final String CASES = "cases/";
     private static final String OUT = "out/";
@@ -65,8 +65,7 @@ public abstract class TranslationTest extends BaseTest {
     @Override
     protected void setUp() throws Exception {
         super.setUp();
-        //noinspection PointlessBooleanExpression
-        if (!shouldCreateOut() || !DELETE_OUT) {
+        if (!shouldCreateOut()) {
             return;
         }
         File outDir = new File(getOutputPath());
@@ -80,7 +79,7 @@ public abstract class TranslationTest extends BaseTest {
     @Override
     protected void tearDown() throws Exception {
         super.tearDown();
-        if (!shouldCreateOut()) {
+        if (!shouldCreateOut() || !DELETE_OUT) {
             return;
         }
         File outDir = new File(getOutputPath());