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

compiler/testData/diagnostics/tests/inner/nestedObject.fir.kt

@@ -0,0 +1,12 @@
+// SKIP_TXT
+class Outer {
+    inner class Inner1 {
+        object Obj1
+
+        companion object Obj2
+
+        inner class Inner2 {
+            object Obj3
+        }
+    }
+}