Remove format check from lint job

Add a workflow to test

.github/workflows/default.yml

@@ -0,0 +1,74 @@
+# Workflow lints, and checks format in parallel then runs tests on all platforms
+
+name: Default CI/CD
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python 3.9
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3.9
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install -r requirements.txt -r requirements-extra.txt
+    - name: Lint with flake8
+      run: |
+        flake8 .
+  format:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python 3.9
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3.9
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install -r requirements.txt -r requirements-extra.txt
+    - name: Check format with black
+      run: |
+        black .
+  test:
+    needs: [lint, format]
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        python-version: [3.6, 3.7, 3.8, 3.9]
+        exclude:
+          - os: macos-latest
+            python-version: 3.6
+          - os: macos-latest
+            python-version: 3.7
+          - os: windows-latest
+            python-version: 3.6
+          - os: windows-latest
+            python-version: 3.7
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install -r requirements.txt -r requirements-extra.txt
+    - name: Build python modules
+      run: |
+        python build.py --modules
+    - name: Run tests
+      run: |
+        pytest core hscommon