moved docker context outside of function

.github/workflows/run-unit-tests.yml

@@ -98,14 +98,14 @@ jobs:
               echo "Failed to start Colima."
               return 1
             fi
-            docker context use $DOCKER_CONTEXT
           }
 
           # Attempt to start Colima; 4 retries:
           ATTEMPT_LIMIT=5
           for ((i=1; i<=ATTEMPT_LIMIT; i++)); do
             if start_colima; then
               echo "Colima started successfully."
+              docker context use $DOCKER_CONTEXT
               break
             else
               echo "Failed to start Colima. Attempt $i/$ATTEMPT_LIMIT."