OptionParsingTest.cpp: reorder EXPECT_EQs to put expectation on the left. NFC.

This provides for better error messages from the framework when the expected
and actual values don't match.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@266393 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed