Update ci.yaml

Author: epenet

.github/workflows/ci.yaml

@@ -1066,8 +1066,8 @@ jobs:
           python3 -b -X dev -m pytest \
             -qq \
             --timeout=20 \
-            ${cov_params[@]} \
             -n 1 \
+            ${cov_params[@]} \
             -o console_output_style=count \
             --durations=10 \
             -p no:sugar \
@@ -1192,6 +1192,7 @@ jobs:
           python3 -b -X dev -m pytest \
             -qq \
             --timeout=9 \
+            -n 1 \
             ${cov_params[@]} \
             -o console_output_style=count \
             --durations=0 \
@@ -1338,6 +1339,7 @@ jobs:
             -qq \
             --timeout=9 \
             ${cov_params[@]} \
+            -n 1 \
             -o console_output_style=count \
             --durations=0 \
             --durations-min=1 \