Diagnostics test data fixed

compiler/testData/diagnostics/tests/ImportResolutionOrder.jet

@@ -1,23 +1,23 @@
+// FILE: b.kt
 // KT-355 Resolve imports after all symbols are built
 
-package a {
+package a
   import b.*
   val x : X = X()
-}
 
-package b {
+// FILE: b.kt
+package b
   class X() {
 
   }
-}
 
-package c {
+// FILE: b.kt
+package c
   import d.X
   val x : X = X()
-}
 
-package d {
+// FILE: b.kt
+package d
   class X() {
 
   }
-}