[LC] add tests for enum classes

^KT-55496
^KTIJ-23530

analysis/analysis-test-framework/tests/org/jetbrains/kotlin/analysis/test/framework/services/libraries/CompilerExecutor.kt

@@ -49,6 +49,10 @@ object CompilerExecutor {
             addAll(listOf("-api-version", apiVersion.versionString))
         }
 
+        module.directives[LanguageSettingsDirectives.LANGUAGE].firstOrNull()?.let {
+            add("-XXLanguage:$it")
+        }
+
         module.directives[JvmEnvironmentConfigurationDirectives.JVM_TARGET].firstOrNull()?.let { jvmTarget ->
             addAll(listOf("-jvm-target", jvmTarget.description))
         }