test_collection_install(RBS::CliTest) running tests without Bundler
test_collection_install_frozen(RBS::CliTest) running tests without Bundler
test_collection_update(RBS::CliTest) running tests without Bundler

test_aref(FiberSingletonTest) the method should not accept String keys

NetSingletonTest depending on external resources
NetInstanceTest depending on external resources
TestHTTPRequest depending on external resources
TestSingletonNetHTTPResponse depending on external resources
TestInstanceNetHTTPResponse depending on external resources