LUCID_G4_SD: Fix warnings from thread-safety checker.
Don't check tests using gtest. Avoids (disabled-by-default) warnings about calls to unchecked code.
Closes LUCID_G4_SD-20221026
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Don't check tests using gtest. Avoids (disabled-by-default) warnings about calls to unchecked code.
Closes LUCID_G4_SD-20221026