Google\Cloud\Tests\GrpcRequestWrapperTest::keyFileCredentialsProvider PHP Method

    public function keyFileCredentialsProvider()
    {
        $keyFilePath = __DIR__ . '/fixtures/json-key-fixture.json';
        return [[['keyFile' => json_decode(file_get_contents($keyFilePath), true)]], [['keyFilePath' => $keyFilePath]]];
    }