ConcreteMappingsPass example

$this->expectException(\InvalidArgumentException::class);
        $this->expectExceptionMessage('Could not find the manager name parameter in the container. Tried the following parameter names: "manager.param.one", "manager.param.two"');
        $container = $this->createBuilder();
        $this->process($container, [
            'manager.param.one',
            'manager.param.two',
        ]);
    }

    private function process(ContainerBuilder $container, array $managerParamNames)
    {
        $pass = new ConcreteMappingsPass(
            new Definition('\stdClass'),
            [],
            $managerParamNames,
            'some.%s.metadata_driver'
        );

        $pass->process($container);
    }

    private function createBuilder()
    {