include branch in automated testing

Author: ItsMeKathy

.github/workflows/testing.yml

@@ -2,9 +2,9 @@
 # Need help debugging build failures? Start at https://github.com/r-lib/actions#where-to-find-help
 on:
   push:
-    branches: [main, master, workflow-ttest]
+    branches: [main, master, workflow-ttest, test]
   pull_request:
-    branches: [main, master, ttest, workflow-ttest]
+    branches: [main, master, ttest, workflow-ttest, test]
 
 name: test-coverage