Squash gcc warnings on atomic-test.cc
Squash gcc warnings on atomic-test.cc

Gcc spits out some warnings in this test of the sort:
atomic-test.cc:109:5: warning: converting ‘false’ to pointer type for argument 1 of ‘char testing::internal::IsNullLiteralHelper(testing::internal::Secret*)’ [-Wconversion-null]

This patch squashes those warnings by EXPECT_TRUE EXPECT_FALSE
instead of the true/false temporaries.

Change-Id: Ia1d217695e3f9828ddfc181e135f4d2423e57291
Reviewed-on: http://gerrit.sjc.cloudera.com:8080/6921
Reviewed-by: Adar Dembo <866ca730bfc7f544e3ebce604ceeba4879f23df0@cloudera.com>
Tested-by: jenkins
Reviewed-by: Todd Lipcon <2c763d726a8c2f6afda9be7e0e56a2caa6bb5e6b@cloudera.com>

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