set('featureflag.dir_of_feature_flags', DI::string('tests/System/Commands/FeatureFlags')); $container->get(Config::class)->FeatureFlags = ['ExampleFeatureThatDoesntExistAsClass_feature' => 'enabled']; $this->applicationTester->run([ 'command' => 'featureflags:delete', 'featureFlagName' => 'ExampleFeatureThatDoesntExistAsClass', ]); $flags = $container->get(Config::class)->FeatureFlags; $this->assertArrayNotHasKey('ExampleFeatureThatDoesntExistAsClass_feature', $flags); } }