Fix typo in tests.

.github/workflows/test_suite.yml

@@ -118,7 +118,7 @@ jobs:
             .meteor/local/isopacks
             .meteor/local/bundler-cache/scanner
           key: v1-meteor_build_cache-${{ github.ref }}-${{ github.sha }}
-          restore-key: |
+          restore-keys: |
             v1-meteor_build_cache-
 
       - name: Setup meteor