[LL FIR] rename testdata to testData to avoid copyright generation

We exclude testData pattern from copyright scope

analysis/low-level-api-fir/testData/getOrBuildFir/declarations/objectLiteralScript.txt

@@ -0,0 +1,27 @@
+KT element: KtObjectDeclaration
+FIR element: FirAnonymousObjectImpl
+FIR source kind: KtRealSourceElementKind
+
+FIR element rendered:
+object : R|kotlin/Any| {
+    private [ResolvedTo(BODY_RESOLVE)] [ContainingClassKey=<anonymous>] constructor(): R|<anonymous>| {
+        super<R|kotlin/Any|>()
+    }
+
+}
+
+FIR FILE:
+FILE: [ResolvedTo(IMPORTS)] objectLiteralScript.kts
+    context(<script>@R|kotlin/script/templates/standard/ScriptTemplateWithArgs|)
+    SCRIPT: [ResolvedTo(TYPES)] 
+        [ResolvedTo(RAW_FIR)] lval args: R|kotlin/Array<kotlin/String>|
+
+        public final [ResolvedTo(BODY_RESOLVE)] fun test(): R|kotlin/Unit| {
+            object : R|kotlin/Any| {
+                private [ResolvedTo(BODY_RESOLVE)] [ContainingClassKey=<anonymous>] constructor(): R|<anonymous>| {
+                    super<R|kotlin/Any|>()
+                }
+
+            }
+
+        }