Do not add the test directory if standalone and not building with LL_TESTS. This fixes a cmake error:
Do not add the test directory if standalone and not building with LL_TESTS.
This fixes a cmake error:

CMake Error at test/CMakeLists.txt:112 (SET_TEST_PATH):
  Unknown CMake command "SET_TEST_PATH".

Even though the cmake file with the marcro is included.

gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm