Remove default isolate usage from almost all tests

test/cctest/test-lockers.cc

 // Copyright 2007-2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 617 matching lines @@
       }
     }
   }
 
  private:
   v8::Persistent<v8::Context> context_;
 };
 
 
 // Locker inside an Unlocker inside a Locker for default isolate.
-TEST(LockUnlockLockDefaultIsolateMultithreaded) {
+UNINITIALIZED_TEST(LockUnlockLockDefaultIsolateMultithreaded) {
 #if V8_TARGET_ARCH_MIPS
   const int kNThreads = 50;
 #else
   const int kNThreads = 100;
 #endif
   Local<v8::Context> context;
   i::List<JoinableThread*> threads(kNThreads);
   {
     v8::Locker locker_(CcTest::default_isolate());
     v8::HandleScope handle_scope(CcTest::default_isolate());
@@ skipping 82 matching lines @@
                                           kSimpleExtensionSource));
   const char* extension_names[] = { "test0", "test1",
                                     "test2", "test3", "test4",
                                     "test5", "test6", "test7" };
   i::List<JoinableThread*> threads(kNThreads);
   for (int i = 0; i < kNThreads; i++) {
     threads.Add(new IsolateGenesisThread(8, extension_names));
   }
   StartJoinAndDeleteThreads(threads);
 }