reverted failure test for buildbot.

src/test/unittests/Main.cpp

@@ -39,10 +39,6 @@ main(int argc, char **argv)
 	log.setFilter(kDEBUG4);
 
 	testing::InitGoogleTest(&argc, argv);
-	
-	// HACK: temp fail for unit tests to test buildbot failure email.
-	EXPECT_EQ(true, false);
-	return 1;
 
 	return RUN_ALL_TESTS();
 }