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

compiler/testData/diagnostics/tests/delegation/DelegationNotTotrait.fir.kt

@@ -0,0 +1,15 @@
+open class Foo() {
+
+}
+
+class Barrr() : Foo by Foo() {}
+
+interface T {}
+
+class Br(t : T) : T by t {}
+
+open enum class EN() {
+  A
+}
+
+class Test2(e : EN) : EN by e {}