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

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

@@ -0,0 +1,21 @@
+interface T1 {
+    fun foo()
+}
+
+enum class EnumImplementingTraitWithFun: T1 {
+    E1 {
+        override fun foo() {}
+    },
+    E2
+}
+
+interface T2 {
+    val bar: Int
+}
+
+enum class EnumImplementingTraitWithVal: T2 {
+    E1 {
+        override val bar = 1
+    },
+    E2
+}