Fix working directory for installing labthings

Author: rwb27

.github/workflows/test.yml

@@ -156,31 +156,30 @@ jobs:
   test-against-ofm:
     runs-on: ubuntu-latest
     continue-on-error: true
+    defaults:
+      run:
+        working-directory: /home/runner/work/openflexure-microscope-server/
     steps:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
           python-version: 3.11
-
       - name: Clone OpenFlexure Microscope Server
         working-directory: /home/runner/work/
-        run: |
-          git clone https://gitlab.com/openflexure/openflexure-microscope-server.git
-          cd openflexure-microscope-server
-          pip install -e .[dev]
+        run: git clone https://gitlab.com/openflexure/openflexure-microscope-server.git
+
+      - name: Install OFM Server
+        run: pip install -e .[dev]
 
       - name: Install LabThings-FastAPI
-        run: pip install -e .
+        run: pip install -e ../labthings-fastapi/
 
       - name: Run OFM unit tests
-        working-directory: /home/runner/work/openflexure-microscope-server/
         run: pytest
 
       - name: Run OFM integration tests
-        working-directory: /home/runner/work/openflexure-microscope-server/
         run: pytest tests/integration_tests
 
       - name: Run OFM lifecycle test
-        working-directory: /home/runner/work/openflexure-microscope-server/
         run: tests/lifecycle_test/testfile.py