| Function | sibpath | For finding files in twisted/trial/test |
| Class | ForceGarbageCollectionTests | Tests for the --force-gc option. |
| Class | SuiteUsedTests | Check the category of tests suite used by the loader. |
| Class | TestModuleTests | No class docstring; 9/26 methods documented |
| Class | WithoutModuleTests | Test the without-module flag. |
| Class | CoverageTests | Tests for the coverage option. |
| Class | OptionsTests | Tests for trial.Options. |
| Class | MakeRunnerTests | Tests for the _makeRunner
helper. |
| Class | RunTests | Tests for the run function. |
| Class | TestArgumentOrderTests | Tests for the order-preserving behavior on provided command-line tests. |
| Class | OrderTests | Tests for the --order option. |
| Class | HelpOrderTests | Tests for the --help-orders flag. |