Only test on-push for master and a specific branch name

This avoids testing twice when pushing to the main repository, once for the push, and another for a PR.

Author: nicoddemus

.github/workflows/test.yml

@@ -3,7 +3,8 @@ name: test
 on:
   push:
     branches:
-      - "*"
+      - master
+      - "test-me-*"
 
   pull_request:
     branches: