ns that are expected to fail within the test case - reported as failure when the number of failed assertions is different than the declared expected number of failures
- **```timeout(double)```** - fails the test case if its execution exceeds this limit (in seconds) - but doesn't terminate it - that would require subprocess support
- **```test_suite("name")```** - can be used on test cases to override (or just set) the test suite they are in
- **```description("text")```** - a description of the test case

