fix build.yml

Author: psathyrella

.github/workflows/build.yml

@@ -101,7 +101,7 @@ jobs:
 
     - name: Run full test
       run: |
-        if [[ "${{ matrix.os }}" == macos* ]]; then
+        if [[ "${{ matrix.install-method }}" == "pipx" || "${{ matrix.os }}" == macos* ]]; then
           partis-test.py --no-simu
           partis-test.py --paired --no-simu
         else