Fix failing gha pytest (#66)

* Updated pytest.

* Updated SURVEY.md to remove dead survey link.

* Updated bug_report.md to update dead link.

.github/ISSUE_TEMPLATE/bug_report.md

@@ -18,7 +18,7 @@ Steps to reproduce the behavior:
 4. See error
 
 **Console logs / stack traces**
-Please wrap in [triple backticks (```)](https://help.github.com/en/articles/creating-and-highlighting-code-blocks) to make it easier to read.
+Please wrap in triple backticks (```) to make it easier to read.
 
 **Screenshots**
 If applicable, add screenshots to help explain your problem.

.github/workflows/nightly.yml

@@ -87,7 +87,7 @@ jobs:
       run: |
         pytest --cov=ml-agents --cov=ml-agents-envs \
         --cov-report=html --junitxml=junit/test-results-${{ matrix.python-version }}.xml \
-        -p no:warnings -v -n auto
+        -p no:warnings -v -n 8
     - name: Upload pytest test results
       uses: actions/upload-artifact@v2
       with:

.github/workflows/pytest.yml

@@ -91,7 +91,7 @@ jobs:
       run: |
         pytest --cov=ml-agents --cov=ml-agents-envs \
         --cov-report=html --junitxml=junit/test-results-${{ matrix.python-version }}.xml \
-        -p no:warnings -v -m "${{ steps.pytest_marker.outputs.markers }}" -n auto
+        -p no:warnings -v -m "${{ steps.pytest_marker.outputs.markers }}" -n 8
     - name: Upload pytest test results
       uses: actions/upload-artifact@v2
       with:

SURVEY.md

@@ -2,6 +2,6 @@
 
 Your opinion matters a great deal to us. Only by hearing your thoughts on the
 Unity ML-Agents Toolkit can we continue to improve and grow. Please take a few
-minutes to let us know about it.
+minutes to let us know about it. Please email us at [ml-agents@unity3d.com](mailto:ml-agents@unity3d.com).
 
-[Fill out the survey](https://goo.gl/forms/qFMYSYr5TlINvG6f1)
+<!-- [Fill out the survey](https://goo.gl/forms/qFMYSYr5TlINvG6f1) -->