fix test worklflow

.github/workflows/tests.yml

@@ -4,17 +4,18 @@ on: [push]
 
 jobs:
   unittests:
-  name: Unit tests
-  steps:
-  - uses: actions/checkout@v4
-  - name: Set up Python
-    uses: actions/setup-python@v4
-    with:
-      python-version: '3.11'
-  - name: Install dependencies
-    run: |
-      python -m pip install --upgrade pip poetry
-      poetry install
-  - name: Unit test with pytest
-    run: |
-      poetry run pytest tests/ -vs --cov botgen/ --cov-report term-missing
+    name: Unit tests
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: '3.11'
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip poetry
+        poetry install
+    - name: Unit test with pytest
+      run: |
+        poetry run pytest tests/ -vs --cov botgen/ --cov-report term-missing