fix unit tests

.github/workflows/test.yml

@@ -33,7 +33,7 @@ jobs:
       - name: Install an available library from the abandoned nmslib project
         run: >-
           [ $(python --version | sed -E 's/Python ([0-9]+\.[0-9]+)\.[0-9]+.*/\1/') == '3.12' ] && \
-            pip install test-resources/github-workflow-lib/*
+            pip install test-resources/github-workflow-lib/* || true
 
       - name: Prepare tests
         run: 'make info deps'