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

We exclude testData pattern from copyright scope

analysis/low-level-api-fir/testData/getOrBuildFir/invalidCode/javaClassLiteral.txt

@@ -0,0 +1,15 @@
+KT element: KtNameReferenceExpression
+FIR element: FirPropertyAccessExpressionImpl
+FIR source kind: KtRealSourceElementKind
+
+FIR element rendered:
+R|<local>/anyClass|
+
+FIR FILE:
+FILE: [ResolvedTo(IMPORTS)] javaClassLiteral.kt
+    public final [ResolvedTo(BODY_RESOLVE)] fun main([ResolvedTo(BODY_RESOLVE)] args: R|kotlin/Array<kotlin/String>|): R|kotlin/Unit| {
+        [ResolvedTo(BODY_RESOLVE)] lval anyClass: R|kotlin/Any| = R|kotlin/Any.Any|()
+        R|/funOne|(ERROR_EXPR(Incorrect selector expression)R|<local>/anyClass|)
+    }
+    public final [ResolvedTo(CONTRACTS)] fun funOne([ResolvedTo(CONTRACTS)] x: R|kotlin/Any|): R|kotlin/Unit| {
+    }