K2 Scripting: enable script diagnostic tests for FIR

also add script scopes test

compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/DiagnosticTestGenerated.java

@@ -28034,6 +28034,12 @@ public class DiagnosticTestGenerated extends AbstractDiagnosticTest {
                 runTest("compiler/testData/diagnostics/tests/script/resolveInitializerOfDestructuringDeclarationOnce.kts");
             }
 
+            @Test
+            @TestMetadata("scriptScopes.kts")
+            public void testScriptScopes() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/script/scriptScopes.kts");
+            }
+
             @Test
             @TestMetadata("SimpleScript.kts")
             public void testSimpleScript() throws Exception {

compiler/tests-common-new/tests/org/jetbrains/kotlin/test/utils/FileUtils.kt

@@ -10,13 +10,18 @@ import java.io.File
 
 private const val FIR_KT = ".fir.kt"
 private const val KT = ".kt"
+private const val FIR_KTS = ".fir.kts"
+private const val KTS = ".kts"
 
 val File.isFirTestData: Boolean
-    get() = name.endsWith(FIR_KT)
+    get() = name.endsWith(FIR_KT) || name.endsWith((FIR_KTS))
 
 val File.originalTestDataFile: File
     get() = if (isFirTestData) {
-        parentFile.resolve("${name.removeSuffix(FIR_KT)}$KT")
+        val originalTestDataFileName =
+            if (name.endsWith(KTS)) "${name.removeSuffix(FIR_KTS)}$KTS"
+            else "${name.removeSuffix(FIR_KT)}$KT"
+        parentFile.resolve(originalTestDataFileName)
     } else {
         this
     }
@@ -25,7 +30,10 @@ val File.firTestDataFile: File
     get() = if (isFirTestData) {
         this
     } else {
-        parentFile.resolve("${name.removeSuffix(KT)}$FIR_KT")
+        val firTestDataFileName =
+            if (name.endsWith(KTS)) "${name.removeSuffix(KTS)}$FIR_KTS"
+            else "${name.removeSuffix(KT)}$FIR_KT"
+        parentFile.resolve(firTestDataFileName)
     }
 
 fun File.withExtension(extension: String): File {