This appears to live in
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/lib/
and I can get it to run if I add the following to the command line:
TEST_FRAMEWORK_SEARCH_PATHS=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/lib/
This appears to live in
and I can get it to run if I add the following to the command line: