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/substitutions/upperBoundsSubstitutionForOverloadResolutionWithAmbiguity.kt

@@ -3,11 +3,15 @@ package foo
 
 fun <T> f(<!UNUSED_PARAMETER!>l<!>: List<T>) {}
 
+// FILE: bar.kt
+package bar
+
+fun <T> f(<!UNUSED_PARAMETER!>l<!>: List<T>) {}
+
 // FILE: main.kt
 
 import foo.*
-
-fun <T> f(<!UNUSED_PARAMETER!>l<!>: List<T>) {}
+import bar.*
 
 fun <T> test(l: List<T>) {
     <!CANNOT_COMPLETE_RESOLVE!>f<!>(l)

compiler/testData/diagnostics/tests/substitutions/upperBoundsSubstitutionForOverloadResolutionWithAmbiguity.txt

@@ -1,8 +1,11 @@
 package
 
-public fun </*0*/ T> f(/*0*/ l: kotlin.List<T>): kotlin.Unit
 public fun </*0*/ T> test(/*0*/ l: kotlin.List<T>): kotlin.Unit
 
+package bar {
+    public fun </*0*/ T> f(/*0*/ l: kotlin.List<T>): kotlin.Unit
+}
+
 package foo {
     public fun </*0*/ T> f(/*0*/ l: kotlin.List<T>): kotlin.Unit
 }