Refactor multi-reference tests

idea/testData/resolve/CtrlClickResolve.kt

@@ -3,6 +3,8 @@ package ctrl_click
 fun IntArray(vararg content : Int) : IntArray = content
 fun <T> array(vararg t : T) : Array<T> = t
 
-fun main(args : ArrayList<String>) {
+fun main(args : Array<String>) {
     var a = <caret>IntArray(array(1, 2, 3))
-}
+}
+
+// REF: (jet).IntArray

idea/testData/resolve/SeveralOverrides.kt

@@ -12,4 +12,8 @@ trait C : A, B {
 
 fun test(c: C) {
     c.<caret>foo()
-}
+}
+
+// MULTIRESOLVE
+// REF: (in A).foo()
+// REF: (in B).foo()