Create GitHub action only for Project Euler (#3378)

* Add GitHub action for Project Euler only

* Add second job for Project Euler

* Remove Project Euler jobs from Travis CI

* Fix typo for actions/setup-python

* Rename the workflow file

* Change name of file in workflow

* Remove comments from Travis config file

.github/workflows/project_euler.yml

+on:
+  pull_request:
+    # only check if a file is changed within the project_euler directory
+    paths:
+      - 'project_euler/**'
+      - '.github/workflows/project_euler.yml'
+
+name: 'Project Euler'
+
+jobs:
+  project-euler:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
+      - name: Install pytest and pytest-cov
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install --upgrade pytest pytest-cov
+      - run: pytest --doctest-modules --durations=10 --cov-report=term-missing:skip-covered --cov=project_euler/ project_euler/
+  validate-solutions:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
+      - name: Install pytest
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install --upgrade pytest
+      - run: pytest --durations=10 project_euler/validate_solutions.py

.travis.yml

@@ -10,16 +10,6 @@ jobs:
       install: pip install pytest-cov -r requirements.txt
       script:
         - pytest --doctest-modules --ignore=project_euler/ --durations=10 --cov-report=term-missing:skip-covered --cov=. .
-    - name: Project Euler
-      install:
-        - pip install pytest-cov
-      script:
-        - pytest --doctest-modules --durations=10 --cov-report=term-missing:skip-covered --cov=project_euler/ project_euler/
-    - name: Project Euler Solution
-      install:
-        - pip install pytest
-      script:
-        - pytest --tb=short --durations=10 project_euler/validate_solutions.py
 after_success:
   - scripts/build_directory_md.py 2>&1 | tee DIRECTORY.md
 notifications: