IDEA-54295 Unify test data path access for all IDEA tests

Test data access is refined

java/testFramework/src/com/intellij/testFramework/TestSourceBasedTestCase.java

@@ -54,7 +54,7 @@ import java.io.File;
   }
 
   protected String getTestDataPath() {
-    return PathManagerEx.getTestDataPath();
+    return PathManagerEx.getTestDataPath(getClass());
   }
 
   protected abstract String getTestPath();