[lldb][PDB] Fix more issues with PDB tests

Author: DavidSpickett

lldb/unittests/SymbolFile/PDB/SymbolFilePDBTests.cpp

@@ -413,10 +413,10 @@ TEST_F(SymbolFilePDBTests, TestNestedClassTypes) {
   // (with the same compiler type) because the symbols have different IDs.
 
   auto ClassCompilerDeclCtx = CompilerDeclContext(clang_ast_ctx, ClassDeclCtx);
-  TypeResults query_results;
+  TypeResults query_results_nested;
   symfile->FindTypes(TypeQuery(ClassCompilerDeclCtx, "NestedClass"),
-                     query_results);
-  TypeMap &more_results = query_results.GetTypeMap();
+                     query_results_nested);
+  TypeMap &more_results = query_results_nested.GetTypeMap();
   EXPECT_LE(1u, more_results.GetSize());
 
   lldb::TypeSP udt_type = more_results.GetTypeAtIndex(0);