Package vs class conflict in qualifier resolution:

- add test for unresolved 'a.a' after 'import a.a';
- added TODO in copy-paste test for 'a.a'

idea/testData/copyPaste/imports/ClassResolvedToPackage.expected.kt

@@ -1,9 +1,14 @@
 // ERROR: Unresolved reference: a
+// ERROR: Unresolved reference: a
+// ERROR: Unresolved reference: a
 package to
 
 import a.a
 
-fun f(i: a.a) { // todo must be i: a
-    a
-    a()
+fun f(i: a.a) {
+    // TODO References shortening doesn't work for package vs class conflicts under the new resolution rules.
+    // After importing 'a.a', expression 'a.a' is unresolved (since 'a' becomes a class).
+    // 'package' in expression syntax might be required to fix it properly.
+    a.a
+    a.a()
 }

idea/testData/copyPaste/imports/ClassResolvedToPackage.kt

@@ -5,7 +5,10 @@ class a {
     }
 }
 
-<selection>fun f(i: a) { // todo must be i: a
+<selection>fun f(i: a) {
+    // TODO References shortening doesn't work for package vs class conflicts under the new resolution rules.
+    // After importing 'a.a', expression 'a.a' is unresolved (since 'a' becomes a class).
+    // 'package' in expression syntax might be required to fix it properly.
     a
     a()
 }</selection>