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']);
}