move test output to one level down

for ReadClassDataTest and CompileJavaAgainstKotlinTest

compiler/tests/org/jetbrains/jet/CompileJavaAgainstKotlinTest.java

@@ -53,7 +53,7 @@ public class CompileJavaAgainstKotlinTest extends UsefulTestCase {
     @Override
     protected void setUp() throws Exception {
         super.setUp();
-        tmpdir = new File("tmp/" + this.getClass().getSimpleName() + "." + this.getName());
+        tmpdir = JetTestUtils.tmpDirForTest(this);
         JetTestUtils.recreateDirectory(tmpdir);
     }
 

compiler/tests/org/jetbrains/jet/JetTestUtils.java

@@ -2,6 +2,7 @@ package org.jetbrains.jet;
 
 import com.google.common.collect.Lists;
 import com.intellij.openapi.Disposable;
+import junit.framework.TestCase;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.jet.lang.cfg.pseudocode.JetControlFlowDataTraceFactory;
 import org.jetbrains.jet.lang.diagnostics.Diagnostic;
@@ -166,6 +167,10 @@ public class JetTestUtils {
             file.delete();
         }
     }
+    
+    public static File tmpDirForTest(TestCase test) {
+        return new File("tmp/" + test.getClass().getSimpleName() + "/" + test.getName());
+    }
 
     public static void recreateDirectory(File file) throws IOException {
         rmrf(file);

compiler/tests/org/jetbrains/jet/ReadClassDataTest.java

@@ -62,7 +62,7 @@ public class ReadClassDataTest extends UsefulTestCase {
     @Override
     protected void setUp() throws Exception {
         super.setUp();
-        tmpdir = new File("tmp/" + this.getClass().getSimpleName() + "." + this.getName());
+        tmpdir = JetTestUtils.tmpDirForTest(this);
         JetTestUtils.recreateDirectory(tmpdir);
     }