--- a/hotspot/src/share/vm/oops/klass.cpp	Wed Sep 21 18:40:50 2016 +0000
+++ b/hotspot/src/share/vm/oops/klass.cpp	Fri Sep 16 19:49:03 2016 +0300
@@ -734,27 +734,3 @@
 }
 
 #endif
-
-/////////////// Unit tests ///////////////
-
-#ifndef PRODUCT
-
-class TestKlass {
- public:
-  static void test_oop_is_instanceClassLoader() {
-    Klass* klass = SystemDictionary::ClassLoader_klass();
-    guarantee(klass->is_instance_klass(), "assert");
-    guarantee(InstanceKlass::cast(klass)->is_class_loader_instance_klass(), "test failed");
-
-    klass = SystemDictionary::String_klass();
-    guarantee(!klass->is_instance_klass() ||
-              !InstanceKlass::cast(klass)->is_class_loader_instance_klass(),
-              "test failed");
-  }
-};
-
-void TestKlass_test() {
-  TestKlass::test_oop_is_instanceClassLoader();
-}
-
-#endif  // PRODUCT

--- a/hotspot/src/share/vm/utilities/internalVMTests.cpp	Wed Sep 21 18:40:50 2016 +0000
+++ b/hotspot/src/share/vm/utilities/internalVMTests.cpp	Fri Sep 16 19:49:03 2016 +0300
@@ -57,7 +57,6 @@
   run_unit_test(GuardedMemory_test);
   run_unit_test(TestNewSize_test);
   run_unit_test(TestOldSize_test);
-  run_unit_test(TestKlass_test);
   run_unit_test(TestBitMap_test);
   run_unit_test(TestResourcehash_test);
   run_unit_test(ObjectMonitor_test);

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/native/oops/test_instanceKlass.cpp	Fri Sep 16 19:49:03 2016 +0300
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#include "precompiled.hpp"
+#include "classfile/symbolTable.hpp"
+#include "classfile/systemDictionary.hpp"
+#include "memory/resourceArea.hpp"
+#include "oops/instanceKlass.hpp"
+#include "unittest.hpp"
+
+// Tests InstanceKlass::package_from_name()
+TEST_VM(InstanceKlass, null_symbol) {
+  ResourceMark rm;
+  TempNewSymbol package_sym = InstanceKlass::package_from_name(NULL, NULL);
+  ASSERT_TRUE(package_sym == NULL) << "Wrong package for NULL symbol";
+}
+
+// Tests for InstanceKlass::is_class_loader_instance_klass() function
+TEST_VM(InstanceKlass, class_loader_class) {
+  InstanceKlass* klass = SystemDictionary::ClassLoader_klass();
+  ASSERT_TRUE(klass->is_class_loader_instance_klass());
+}
+
+TEST_VM(InstanceKlass, string_klass) {
+  InstanceKlass* klass = SystemDictionary::String_klass();
+  ASSERT_TRUE(!klass->is_class_loader_instance_klass());
+}

--- a/hotspot/test/native/runtime/test_instanceKlass.cpp	Wed Sep 21 18:40:50 2016 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,36 +0,0 @@
-/*
- * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- *
- */
-
-#include "precompiled.hpp"
-#include "classfile/symbolTable.hpp"
-#include "memory/resourceArea.hpp"
-#include "oops/instanceKlass.hpp"
-#include "unittest.hpp"
-
-// Tests InstanceKlass::package_from_name()
-TEST_VM(instanceKlass, null_symbol) {
-  ResourceMark rm;
-  TempNewSymbol package_sym = InstanceKlass::package_from_name(NULL, NULL);
-  ASSERT_TRUE(package_sym == NULL) << "Wrong package for NULL symbol";
-}