-bash-4.2$ cd casa6/casatasks
-bash-4.2$ PYTHONPATH=../casatools/build/lib.macosx-10.12-x86_64-3.6 ./setup.py build
**Substitute** the path to your build of [CASAtools](https://open-bitbucket.nrao.edu/projects/CASA/repos/casa6/browse/casatools) in the build line above.
The data repository used to run CASAtasks tests is the same for CASAtools tests, therefore if you have already checked out [casatestdata](https://open-bitbucket.nrao.edu/projects/CASA/repos/casatestdata/browse) you are all set to run CASAtasks tests. If not, refer to the instructions in the [CASAtools](https://open-bitbucket.nrao.edu/projects/CASA/repos/casa6/browse/casatools):
Tests are actively being added, but you can run the existing tests with:
Again, **substitute** the path to your build of [CASAtools](https://open-bitbucket.nrao.edu/projects/CASA/repos/casa6/browse/casatools) in the line above.
| Task Name | Description |
| ------------- | ------------------------------------------------------------------------------------------------------------------------------- |
| accor | Normalize visibilities based on auto-correlations |
| accum | Accumulate incremental calibration solutions into a calibration table |