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

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

@@ -0,0 +1,10 @@
+// !CHECK_TYPE
+// FILE: A.java
+public enum A {
+    ENTRY;
+}
+
+// FILE: test.kt
+fun main() {
+    checkSubtype<A>(A.valueOf("ENTRY"))
+}