[FIR-TEST] Add new testdata generated after changes in previous commit

compiler/testData/diagnostics/tests/localClasses/localAnnotationClassError.fir.kt

@@ -0,0 +1,9 @@
+// !LANGUAGE: +ProhibitLocalAnnotations
+
+fun f() {
+    annotation class Anno
+
+    @Anno class Local {
+        annotation class Nested
+    }
+}