StackFormation\Tests\BlueprintTest::getConditionalParameterValueEnvFooVal1 PHP Method

    public function getConditionalParameterValueEnvFooVal1()
    {
        putenv('Foo=Val1');
        $config = new \StackFormation\Config([FIXTURE_ROOT . 'Config/blueprint.conditional_value.yml']);
        $blueprint = $this->getMockedBlueprintFactory($config)->getBlueprint('conditional_value');
        $parameters = $blueprint->getParameters(true);
        $parameters = Div::flatten($parameters, 'ParameterKey', 'ParameterValue');
        $this->assertArrayHasKey('CondValue', $parameters);
        $this->assertEquals('a', $parameters['CondValue']);
    }