Add pytests to CI testing

.github/workflows/python-app.yml

@@ -0,0 +1,45 @@
+# This workflow will install Python dependencies, run tests and lint with a single version of Python
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python
+
+name: visualCaseGen CI tests
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Set up Miniconda
+      uses: conda-incubator/setup-miniconda@v3
+      with:
+        python-version: 3.10  # Replace with your desired Python version
+        conda-channels: conda-forge  # Add your preferred channels
+
+
+    - name: Create visualCaseGen conda env
+      run: |
+        run: |
+          conda env create --file environment.yml
+          conda activate visualCaseGen
+        
+    #- name: Lint with flake8
+    #  run: |
+    #    # stop the build if there are Python syntax errors or undefined names
+    #    flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
+    #    # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
+    #    flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+
+    - name: Run CI tests
+      run: |
+        pytest tests/1_unit