add color to output

Author: williambdean

.github/workflows/test.yml

@@ -51,7 +51,7 @@ jobs:
           python --version
       - name: Run tests
         run: |
-          python -m pytest -vv --cov=pymc_extras --cov-append --cov-report=xml --cov-report term --durations=50 $TEST_SUBSET
+          python -m pytest --color=yes -vv --cov=pymc_extras --cov-append --cov-report=xml --cov-report term --durations=50 $TEST_SUBSET
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v2
         with:
@@ -97,7 +97,7 @@ jobs:
         # This job uses a cmd shell, therefore the environment variable syntax is different!
         # The ">-" in the next line replaces newlines with spaces (see https://stackoverflow.com/a/66809682).
         run: >-
-          python -m pytest -vv --cov=pymc_extras --cov-append --cov-report=xml --cov-report term --durations=50 %TEST_SUBSET%
+          python -m pytest --color=yes -vv --cov=pymc_extras --cov-append --cov-report=xml --cov-report term --durations=50 %TEST_SUBSET%
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v2
         with: