[LL FIR] add lazy body calculation tests for scripts

After KT-65344 we can effectively calculate lazy bodies in scripts,
so we can safely add the test

^KT-62840

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2023 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2024 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
@@ -36,11 +36,15 @@ import org.jetbrains.kotlin.test.utils.CUSTOM_TEST_DATA_EXTENSION_PATTERN
 internal fun TestGroupSuite.generateFirLowLevelApiTests() {
     testGroup("analysis/low-level-api-fir/tests", "compiler/fir/raw-fir/psi2fir/testData") {
         testClass<AbstractFirSourceLazyBodiesCalculatorTest> {
-            model("rawBuilder", testMethod = "doTest")
+            model("rawBuilder", pattern = TestGeneratorUtil.KT)
         }
 
         testClass<AbstractFirOutOfContentRootLazyBodiesCalculatorTest> {
-            model("rawBuilder", testMethod = "doTest")
+            model("rawBuilder", pattern = TestGeneratorUtil.KT)
+        }
+
+        testClass<AbstractFirScriptLazyBodiesCalculatorTest> {
+            model("rawBuilder", pattern = TestGeneratorUtil.KTS)
         }
     }