Attempt to fix the tests by using a less broad fix for the unique names problem.

src/Generator/Passes/CleanInvalidDeclNamesPass.cs

@@ -23,11 +23,6 @@ namespace CppSharp.Passes
             return name;
         }
 
-        public override bool VisitType(AST.Type type, TypeQualifiers quals)
-        {
-            return false;
-        }
-
         public override bool VisitDeclaration(Declaration decl)
         {
             // Do not clean up namespace names since it can mess up with the
@@ -48,6 +43,11 @@ namespace CppSharp.Passes
             return base.VisitDeclaration(decl);
         }
 
+        public override bool VisitParameterDecl(Parameter parameter)
+        {
+            return VisitDeclaration(parameter);
+        }
+
         public override bool VisitClassDecl(Class @class)
         {
             if (@class.IsDynamic)