UnitTests: Followup to 305519

We have to use ASSERT_XXX instead of EXPECT_XXX if the test cannot
continue in the failure case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@305522 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed