Remove the separately compiled test for Benchmarking Macros

Thanks to the changes to compilation model, the tests for benchmarking
macros have been made part of the normal test run. This means that
the only purpose these separately compiled tests served was to waste
CI time.

tests/CMakeLists.txt

@@ -123,6 +123,7 @@ endif()
 add_test(NAME RunTests COMMAND $<TARGET_FILE:SelfTest>)
 set_tests_properties(RunTests PROPERTIES
     FAIL_REGULAR_EXPRESSION "Filters:"
+    COST 60
 )
 
 # Because CTest does not allow us to check both return code _and_ expected