Add CI workflow to run pytest- add apeer library -no-deps

Author: marta-seq

.github/workflows/tests.yml

@@ -34,6 +34,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
+          pip install apeer-ometiff-library --no-deps
           if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
           # if you have dev requirements for testing, install them too
           if [ -f requirements-dev.txt ]; then pip install -r requirements-dev.txt; fi