Update deploy_a_b_test.yaml

.github/workflows/deploy_a_b_test.yaml

@@ -1,6 +1,6 @@
 # This is a basic workflow to help you get started with Actions
 
-name: CI
+name: Deploy A/B test
 
 # Controls when the workflow will run
 on:
@@ -28,6 +28,8 @@ jobs:
       # Runs a single command using the runners shell
       - name: Run a one-line script
         run: echo Hello, world!
+      - name: Branch name
+        run: echo running on branch ${GITHUB_REF##*/}
 
       # Runs a set of commands using the runners shell
       - name: Run a multi-line script