replace assertSame with assertEquals when comparing virtualFiles

java/java-tests/testSrc/com/intellij/openapi/roots/impl/DirectoryIndexTest.java

@@ -730,7 +730,7 @@ public class DirectoryIndexTest extends IdeaTestCase {
     assertIteratedContent(fileIndex, null, Arrays.asList(fileRoot, fileSourceRoot, fileTestSourceRoot));
 
     ContentEntry contentEntry = PsiTestUtil.addContentRoot(myModule, fileRoot);
-    assertSame(fileRoot, contentEntry.getFile());
+    assertEquals(fileRoot, contentEntry.getFile());
     checkInfo(fileRoot, myModule, false, false, "", null);
     assertTrue(fileIndex.isInContent(fileRoot));
     assertFalse(fileIndex.isInSource(fileRoot));

platform/platform-tests/testSrc/com/intellij/openapi/vfs/VfsUtilTest.java

@@ -380,7 +380,7 @@ public class VfsUtilTest extends PlatformLangTestCase {
       public void run() throws Throwable {
         for (int i = 0; i < 1000000; i++) {
           VirtualFile child = vDir.findChild("5111.txt");
-          assertSame(theChild, child);
+          assertEquals(theChild, child);
         }
       }
     }).assertTiming();

platform/platform-tests/testSrc/com/intellij/openapi/vfs/local/PersistentFsTest.java

@@ -57,7 +57,7 @@ public class PersistentFsTest extends PlatformLangTestCase {
     assertNotNull(vFile);
 
     int id = ((VirtualFileWithId)vFile).getId();
-    assertSame(vFile, myFs.findFileById(id));
+    assertEquals(vFile, myFs.findFileById(id));
 
     vFile.delete(this);
     assertNull(myFs.findFileById(id));