public function testAddNamespace()
 {
     $options = new ModuleOptions();
     $options->addNamespace(['name' => 'laptop', 'entity_class' => 'HtSettingsModule\\Entity\\Parameter']);
     $options->addNamespace([], 'smart_phone');
     $options->addNamespace(new NamespaceOptions(), 'smart_tv');
     $this->assertEquals('laptop', $options->getNamespaceOptions('laptop')->getName());
     $this->assertEquals('smart_phone', $options->getNamespaceOptions('smart_phone')->getName());
     $this->assertEquals('smart_tv', $options->getNamespaceOptions('smart_tv')->getName());
 }