JetDiagnosticsTest migrated to TestGenerator

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

compiler/testData/diagnostics/tests/nullabilityAndAutoCasts/kt362.kt

@@ -0,0 +1,29 @@
+// FILE: this.kt
+
+// KT-362 Don't allow autocasts on vals that are not internal
+package example;
+
+fun test() {
+  val p = test.Public()
+  if (p.public is Int) <!AUTOCAST_IMPOSSIBLE!>p.public<!> + 1
+  if (p.<!INVISIBLE_MEMBER!>protected<!> is Int) <!AUTOCAST_IMPOSSIBLE!>p.<!INVISIBLE_MEMBER!>protected<!><!> + 1
+  if (p.internal is Int) p.internal + 1
+  val i = test.Public()
+  if (i.public is Int) <!AUTOCAST_IMPOSSIBLE!>i.public<!> + 1
+  if (i.<!INVISIBLE_MEMBER!>protected<!> is Int) <!AUTOCAST_IMPOSSIBLE!>i.<!INVISIBLE_MEMBER!>protected<!><!> + 1
+  if (i.internal is Int) i.internal + 1
+}
+
+// FILE: other.kt
+package test
+
+public class Public() {
+    public val public : Int? = 1;
+    protected val protected : Int? = 1;
+    val internal : Int? = 1
+}
+internal class Internal() {
+    public val public : Int? = 1;
+    protected val protected : Int? = 1;
+    val internal : Int? = 1
+}