public function splitConfigurationFilesAreMergedAsExpected()
{
$expectedConfiguration = ['configurationFileHasBeenLoaded' => true, 'Neos' => ['Flow' => ['default' => 'test', 'toBeOverwritten' => 2, 'something' => 'zzz', '@bar' => 1, 'aboolean' => true]]];
$pathAndFilename = __DIR__ . '/../Fixture/SplitYamlConfigurationFile';
$configurationSource = new YamlSource();
$configuration = $configurationSource->load($pathAndFilename, true);
$this->assertSame($expectedConfiguration, $configuration);
}