Google\Cloud\Tests\GrpcTraitTest::testFormatsLabels PHP Method

    public function testFormatsLabels()
    {
        $labels = ['test' => 'label'];
        $expected = [['key' => key($labels), 'value' => current($labels)]];
        $this->assertEquals($expected, $this->implementation->call('formatLabelsForApi', [$labels]));
    }