edit: update circle ci frontend test worker freezing

.circleci/config.yml

@@ -30,9 +30,10 @@ jobs:
             - env
       - run:
           name: Run yarn test
+          no_output_timeout: 20m
           command: |
             cd ${CIRCLE_WORKING_DIRECTORY}/frontend/
-            CI=true yarn test -w 3 --silent
+            CI=true yarn test -w 1 --silent
             CI=true GENERATE_SOURCEMAP=false yarn build
 
   backend-code-check-PEP8:
@@ -133,7 +134,6 @@ jobs:
               --output text)
       - run:
           name: Make Database Backup
-          no_output_timeout: 20m
           command: |
             aws rds wait db-instance-available \
                 --db-instance-identifier ${RDS_ID}
@@ -211,7 +211,6 @@ jobs:
               /tmp/tasking-manager.cfn.json > "$tmpfile" && mv "$tmpfile" $CIRCLE_WORKING_DIRECTORY/cfn-config-<< parameters.stack_name >>.json
       - run:
           name: Deploy to << parameters.stack_name >>
-          no_output_timeout: 20m
           command: |
             export NODE_PATH=/usr/local/share/.config/yarn/global/node_modules/
             validate-template $CIRCLE_WORKING_DIRECTORY/scripts/aws/cloudformation/tasking-manager.template.js