JetDiagnosticsTest migrated to TestGenerator

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

compiler/testData/diagnostics/tests/AnonymousInitializers.kt

@@ -0,0 +1,34 @@
+trait NoC {
+  <!ANONYMOUS_INITIALIZER_WITHOUT_CONSTRUCTOR!>{
+
+  }<!>
+
+  val a : Int get() = 1
+
+  <!ANONYMOUS_INITIALIZER_WITHOUT_CONSTRUCTOR!>{
+
+  }<!>
+}
+
+class WithC() {
+  val x : Int
+  {
+    $x = 1
+    <!UNRESOLVED_REFERENCE!>$y<!> = 2
+    val b = x
+
+  }
+
+  val a : Int get() = 1
+
+  {
+    val z = <!UNRESOLVED_REFERENCE!>b<!>
+    val zz = x
+    val zzz = <!NO_BACKING_FIELD_CUSTOM_ACCESSORS!>$a<!>
+  }
+
+  <!SECONDARY_CONSTRUCTORS_ARE_NOT_SUPPORTED!>this(a : Int) : this() {
+    val <!UNUSED_VARIABLE!>b<!> = x
+  }<!>
+
+}