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

compiler/testData/diagnostics/tests/scopes/kt1248.fir.kt

@@ -0,0 +1,12 @@
+//KT-1248 Control visibility of overrides needed
+package kt1248
+
+interface ParseResult<out T> {
+    public val success : Boolean
+    public val value : T
+}
+
+class Success<T>(internal override val value : T) : ParseResult<T> {
+    internal override val success : Boolean = true
+}
+