Neos\Flow\Tests\Unit\Configuration\ConfigurationManagerTest::gettingUnregisteredConfigurationTypeFails PHP Method

    public function gettingUnregisteredConfigurationTypeFails()
    {
        $expectedConfigurations = ['Custom' => ['custom']];
        $configurationManager = $this->getAccessibleMock(ConfigurationManager::class, ['loadConfiguration'], [], '', false);
        $configurationManager->_set('configurations', $expectedConfigurations);
        $configurationManager->expects($this->never())->method('loadConfiguration');
        foreach ($expectedConfigurations as $configurationType => $expectedConfiguration) {
            $actualConfiguration = $configurationManager->getConfiguration($configurationType);
            $this->assertSame($expectedConfiguration, $actualConfiguration);
        }
    }