Enhance testing framework and UI integration for YAZE

- Added a comprehensive testing framework with support for unit, integration, and UI tests, improving overall test coverage and reliability.
- Integrated ImGui Test Engine for UI testing, allowing for real-time feedback and visualization of test results.
- Updated CMake configuration to conditionally include testing components based on build options, enhancing flexibility for developers.
- Introduced a new command in the CLI for running asset loading tests on ROMs, providing a straightforward way to validate functionality.
- Enhanced error handling and resource management during testing, ensuring stability and clarity in test execution.
- Improved user interface with a dedicated test dashboard for monitoring test progress and results, enhancing developer experience.

src/app/main.cc

@@ -17,11 +17,15 @@ DEFINE_FLAG(std::string, rom_file, "", "The ROM file to load.");
 
 int main(int argc, char** argv) {
   absl::InitializeSymbolizer(argv[0]);
+  
+  // Configure failure signal handler to be less aggressive
+  // This prevents false positives during SDL/graphics cleanup
   absl::FailureSignalHandlerOptions options;
   options.symbolize_stacktrace = true;
-  options.use_alternate_stack = true;
-  options.alarm_on_failure_secs = true;
-  options.call_previous_handler = true;
+  options.use_alternate_stack = false;  // Avoid conflicts with normal stack during cleanup
+  options.alarm_on_failure_secs = false; // Don't set alarms that can trigger on natural leaks
+  options.call_previous_handler = true;  // Allow system handlers to also run
+  options.writerfn = nullptr;  // Use default writer to avoid custom handling issues
   absl::InstallFailureSignalHandler(options);
   yaze::util::FlagParser parser(yaze::util::global_flag_registry());
   RETURN_IF_EXCEPTION(parser.Parse(argc, argv));