Add diagnostics to test data from NI

compiler/testData/diagnostics/tests/smartCasts/safecalls/anotherVal.kt

@@ -1,6 +1,8 @@
+// !WITH_NEW_INFERENCE
+
 fun calc(x: List<String>?, y: Int?): Int {
     x?.get(y!! - 1) 
     // y!! above should not provide smart cast here
-    val yy: Int = <!TYPE_MISMATCH!>y<!>
+    val yy: Int = <!NI;TYPE_MISMATCH, TYPE_MISMATCH!>y<!>
     return  yy + (x?.size ?: 0)
 }