Add more logging.

src/Tester/TestRunner.hpp

@@ -19,6 +19,11 @@ public:
                 auto meta = AngelscriptMetadata(m);
                 if (meta.GetIdentifier() == "Test"_cnc) {
                     auto name = meta.GetParameter("name"_cnc);
+                    if (_tests.Has(name)) {
+                        std::cout << termcolor::red << "Duplicate test name: '" << name << "'." << termcolor::reset
+                                  << std::endl;
+                        continue;
+                    }
                     _tests.GetStdMap().insert({name, std::make_unique<Test>(name, func)});
                 }
             }