Update test data for tower resolution algorithm

- locals win
- unary calls to plus/minus are not supported in favor of unaryPlus/unaryMinus
- unqualified nested classes are temporarily reported as unresolved
- function without receiver win against extension function
- explicit import win against star import

compiler/testData/diagnostics/tests/FreeFunctionCalledAsExtension.kt

@@ -1,13 +1,13 @@
-fun foo(a: (String) -> Unit) {
-    "".<!INVOKE_EXTENSION_ON_NOT_EXTENSION_FUNCTION!>a<!>()
+fun foo(<!UNUSED_PARAMETER!>a<!>: (String) -> Unit) {
+    "".<!UNRESOLVED_REFERENCE!>a<!>()
 }
 
 
 
 interface A : (String) -> Unit {}
 
-fun foo(a: @Extension A) {
+fun foo(<!UNUSED_PARAMETER!>a<!>: @Extension A) {
     // @Extension annotation on an unrelated type shouldn't have any effect on this diagnostic.
     // Only kotlin.Function{n} type annotated with @Extension should
-    "".<!INVOKE_EXTENSION_ON_NOT_EXTENSION_FUNCTION!>a<!>()
+    "".<!UNRESOLVED_REFERENCE!>a<!>()
 }