Fix return keyword completetion tests

Now suspendOrReturn is toplevel, so we should explicitly choose "return" item

idea/idea-completion/testData/handlers/keywords/ReturnInEmptyType.kt

@@ -1,3 +1,4 @@
+// ELEMENT: return
 fun test(a: Int) {
     retur<caret>
-}
+}

idea/idea-completion/testData/handlers/keywords/ReturnInEmptyType.kt.after

@@ -1,3 +1,4 @@
+// ELEMENT: return
 fun test(a: Int) {
     return<caret>
-}
+}

idea/idea-completion/testData/handlers/keywords/ReturnInProperty.kt

@@ -1,6 +1,7 @@
+// ELEMENT: return
 class Test {
     val test : String
         get() {
             retur<caret>
         }
-}
+}

idea/idea-completion/testData/handlers/keywords/ReturnInProperty.kt.after

@@ -1,6 +1,7 @@
+// ELEMENT: return
 class Test {
     val test : String
         get() {
             return <caret>
         }
-}
+}

idea/idea-completion/testData/handlers/keywords/ReturnInTypeFunction.kt

@@ -1,5 +1,6 @@
+// ELEMENT: return
 class Test {
     fun someMethod() : Int {
         retur<caret>
     }
-}
+}

idea/idea-completion/testData/handlers/keywords/ReturnInTypeFunction.kt.after

@@ -1,5 +1,6 @@
+// ELEMENT: return
 class Test {
     fun someMethod() : Int {
         return <caret>
     }
-}
+}

idea/idea-completion/testData/handlers/keywords/ReturnInUnit.kt

@@ -1,5 +1,6 @@
+// ELEMENT: return
 object OtherTest {
     fun test() : Unit {
         retur<caret>
     }
-}
+}

idea/idea-completion/testData/handlers/keywords/ReturnInUnit.kt.after

@@ -1,5 +1,6 @@
+// ELEMENT: return
 object OtherTest {
     fun test() : Unit {
         return<caret>
     }
-}
+}