JetDiagnosticsTest migrated to TestGenerator

- test data files renamed from *.jet to *.kt

compiler/testData/diagnostics/tests/declarationChecks/kt1193.kt

@@ -0,0 +1,12 @@
+//KT-1193 Check enum entry supertype
+
+package kt1193
+
+open enum class MyEnum(val i: Int) {
+    A : MyEnum(12)
+    <!ENUM_ENTRY_SHOULD_BE_INITIALIZED!>B<!>  //no error
+}
+
+enum class MyChildEnum(i: Int, val s: String) : MyEnum(i) {
+    C : <!ENUM_ENTRY_ILLEGAL_TYPE!>MyEnum<!>(3)
+}