highlight type parameter extends list errors: check once for all refs in refList not to repeat ourselves

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/advHighlighting7/ambiguousMultipleTypeParamExtends1/pck/AmbiguousMethodCall.java

@@ -10,6 +10,6 @@ interface IB{
 }
 class C {
     <<error descr="'foo(A<T>)' in 'pck.IB' clashes with 'foo(A<?>)' in 'pck.IA'; both methods have same erasure, yet neither overrides the other"></error>T extends IA & IB> void bar(T x, A<String> y){
-        x.foo<error descr="Ambiguous method call: both 'IA.foo(A<?>)' and 'IB.foo(A<String>)' match">(y)</error>;
+        x.foo(y);
     }
 }