StackFormation\Tests\BlueprintTest::getTagsWithUnresolvedPlaceholder PHP Method

    public function getTagsWithUnresolvedPlaceholder()
    {
        $value = 'Value_' . time();
        putenv('Foo=' . $value);
        $config = new \StackFormation\Config([FIXTURE_ROOT . 'Config/blueprint.1.yml']);
        $blueprintTags = $this->getMockedBlueprintFactory($config)->getBlueprint('fixture3')->getTags(false);
        $blueprintTags = Div::flatten($blueprintTags);
        $this->assertEquals('{env:Foo}', $blueprintTags['TagFoo']);
    }