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

compiler/testData/diagnostics/tests/enum/javaEnumWithNameClashing.fir.kt

@@ -0,0 +1,15 @@
+// FILE: A.java
+public enum A {
+    ENTRY,
+    ANOTHER;
+
+    public String ENTRY = "";
+}
+
+// FILE: test.kt
+
+fun main() {
+    val c: A = A.ENTRY
+    val c2: String? = c.<!AMBIGUITY!>ENTRY<!>
+    val c3: String? = A.ANOTHER.<!AMBIGUITY!>ENTRY<!>
+}