Google\Cloud\Tests\ClientTraitTest::testDetectProjectIdOnGce PHP Method

    public function testDetectProjectIdOnGce()
    {
        $projectId = 'gce-project-rawks';
        $m = $this->prophesize(Metadata::class);
        $m->getProjectId()->willReturn($projectId)->shouldBeCalled();
        $trait = new ClientTraitStubOnGce($m);
        $res = $trait->runDetectProjectId([]);
        $this->assertEquals($res, $projectId);
    }