Includes various upstream fixes of the tests, see * https://github.com/Yelp/swagger_spec_validator/pull/117 * https://github.com/Yelp/swagger_spec_validator/pull/121
Refs: e6754980264fe927320d5ff2dbd24ca4fac9a160 1e9cc5b9844ef603fe160e9f671178f96200774f 793a2fe1e8bb886ca2096c5904e1193dc3268b6d c19cf65261639f749012454932a532aa7c681e4b f6544d618f30fae0bc4798c4387a8c7c9c047a7c