Google\Cloud\Tests\Snippets\Vision\Annotation\ImagePropertiesTest::testColors PHP Method

    public function testColors()
    {
        $snippet = $this->snippetFromMethod(ImageProperties::class, 'colors');
        $snippet->addLocal('imageProperties', $this->props);
        $res = $snippet->invoke('colors');
        $this->assertEquals($this->propsData['dominantColors']['colors'], $res->returnVal());
    }