build: fix saucelabs_test cronjob in CI (#28939)

PR Close #28939

.circleci/config.yml

@@ -212,11 +212,8 @@ jobs:
     # and therefore the tunnel and Karma need to process a lot of file requests and tests.
     resource_class: xlarge
     steps:
-      - checkout:
-          <<: *post_checkout
-      - *restore_cache
+      - attach_workspace: *attach_options
       - *init_environment
-      - *yarn_install
       - run:
           name: Preparing environment for running tests on Saucelabs.
           command: setSecretVar SAUCE_ACCESS_KEY $(echo $SAUCE_ACCESS_KEY | rev)
@@ -626,7 +623,10 @@ workflows:
 
   saucelabs_tests:
     jobs:
-      - test_saucelabs
+      - install
+      - test_saucelabs:
+          requires:
+            - install
       - legacy-unit-tests-saucelabs:
           # Don't open up multiple saucelabs tunnels at the same
           # time to minimize flakes