t.Fatal(failTestStr(unknownSignTestStr, fmt.Sprintf("Object API Unknown auth test for \"%s\", expected to fail with %d, but failed with %d", testName, unsupportedSignature, rec.Code)))
	}
}

// ExecObjectLayerAPINilTest - Sets the object layer to `nil`, and calls the registered object layer API endpoint,
// and assert the error response. The purpose is to validate the API handlers response when the object layer is uninitialized.