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

We exclude testData pattern from copyright scope

analysis/low-level-api-fir/testData/lazyResolve/compilerRequiredAnnotationOnLocalClassScript.kts

@@ -0,0 +1,9 @@
+package one.two
+
+fun reso<caret>lveMe() {
+    @Deprecated(message = "", replaceWith = ReplaceWith(expression = "abc"), level = DeprecationLevel.ERROR)
+    class LocalClass
+
+    @Target(AnnotationTarget.TYPE)
+    class B
+}