Function run_tests 

pub fn run_tests(
    opt_db: Option<&dyn Database>,
    compiled: TestCompilation<'_>,
    config: &TestRunConfig,
    custom_hint_processor_factory: Option<Arc<dyn for<'a> Fn(CairoHintProcessor<'a>) -> Box<dyn StarknetHintProcessor + 'a> + Send + Sync>>,
) -> Result<TestsSummary>

Runs the tests and processes the results for a summary.