[LL FIR] add script tests for AbstractClassIdTest

^KT-60728

generators/analysis-api-generator/tests/org/jetbrains/kotlin/generators/tests/analysis/api/firLowLevel.kt

@@ -127,8 +127,12 @@ internal fun TestGroupSuite.generateFirLowLevelApiTests() {
             model("nonLocalDeclarationAnchors")
         }
 
-        testClass<AbstractClassIdTest> {
-            model("classId")
+        testClass<AbstractSourceClassIdTest> {
+            model("classId", pattern = TestGeneratorUtil.KT)
+        }
+
+        testClass<AbstractScriptClassIdTest> {
+            model("classId", pattern = TestGeneratorUtil.KTS)
         }
 
         testClass<AbstractCompilationPeerAnalysisTest> {

generators/test-generator/tests/org/jetbrains/kotlin/generators/util/TestGeneratorUtil.kt

@@ -11,6 +11,7 @@ import java.lang.StringBuilder
 object TestGeneratorUtil {
     @Language("RegExp") const val KT_OR_KTS = """^(.+)\.(kt|kts)$"""
     @Language("RegExp") const val KT = """^(.+)\.(kt)$"""
+    @Language("RegExp") const val KTS = """^(.+)\.(kts)$"""
     @Language("RegExp") const val KT_OR_KTS_WITHOUT_DOTS_IN_NAME = """^([^.]+)\.(kt|kts)$"""
 
     @Language("RegExp") const val KT_WITHOUT_DOTS_IN_NAME = """^([^.]+)\.kt$"""