Install a kernel on the machine when running flake tests (#167)

* Install a kernel on the machine

* Add dependency to pr steps too

Author: rchiodo

.github/workflows/flaky.yml

@@ -126,6 +126,7 @@ jobs:
           python -m pip install --upgrade -r build/test-requirements.txt
           python -m pip install --upgrade -r ./build/ipython-test-requirements.txt
           python -m pip install --upgrade -r ./build/conda-functional-requirements.txt
+          python -m ipykernel install --user
 
       - name: Install dependencies (npm ci)
         run: npm ci --prefer-offline

.github/workflows/pr.yml

@@ -312,6 +312,7 @@ jobs:
           python -m pip install --upgrade -r build/test-requirements.txt
           python -m pip install --upgrade -r ./build/ipython-test-requirements.txt
           python -m pip install --upgrade -r ./build/conda-functional-requirements.txt
+          python -m ipykernel install --user
         # This step is slow.
         # If running the placeholder suite & not required to run any tests, then don't install python dependencies.
         if: matrix.test-suite != 'test-based-on-pr-body' || contains(github.event.pull_request.body, '[x] Run ')