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

compiler/testData/diagnostics/tests/classObjects/InnerClassAccessThroughEnum_before.fir.kt

@@ -0,0 +1,50 @@
+// !LANGUAGE: -NestedClassesInEnumEntryShouldBeInner
+
+package a
+
+
+enum class C {
+    E1, E2, E3 {
+        object O_O
+
+        fun b() {
+            O_O
+        }
+
+        class G
+    },
+
+    E4 {
+        fun c() {
+            this.<!UNRESOLVED_REFERENCE!>B<!>()
+
+            C.A()
+            A()
+            //TODO: should be resolved with error
+            this.<!UNRESOLVED_REFERENCE!>A<!>()
+        }
+    };
+
+    class A
+    inner class B
+    object O {
+        object InO
+    }
+}
+
+fun f() {
+    C.E1.A
+    C.E1.A()
+    C.E2.B()
+
+    C.E2.O
+    C.E3.O.InO
+
+    C.O
+    C.O.InO
+    C.A()
+    C.<!UNRESOLVED_REFERENCE!>B<!>()
+
+    C.E3.O_O
+    C.E3.G()
+}