Update install_and_test: conda

.github/workflows/install_and_test.yml

@@ -14,26 +14,25 @@ permissions:
 
 jobs:
   build:
-
-    runs-on: ubuntu-latest
-
+    name: (${{ matrix.os }}, Miniforge)
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: ["ubuntu-latest"]
+        python-version: ["3.11.5"]
     steps:
     - uses: actions/checkout@v4
-    - name: Set up Python 3.11.5
-      uses: actions/setup-python@v3
+    - name: Setup conda environment
+      uses: conda-incubator/setup-miniconda/setup-miniconda@v3
       with:
-        python-version: "3.11.5"
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        pip install flake8 pytest
-        pip install ".[dev]"
-    - 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
+        auto-update-conda: true
+        python-version: ${{ matrix.python-version }}
+        environment-file: environment_dev.yaml
+        miniforge-version: latest
+    - name: Conda info
+      shell: bash -el {0}
+      run: conda info
     - name: Test with pytest
       run: |
+        cd tests/
         pytest