Enabling running on this branch

.github/workflows/pkg_test.yml

@@ -2,13 +2,20 @@ name: Machine Setup Testing
 
 on:
   workflow_dispatch:
+    inputs:
+      branchName:
+        description: 'Branch to run on'
+        required: true
+        default: 'setup-action'
 
 jobs:
   setup_apple_silicon:
     runs-on: macos-13 # M1
     steps:
     - name: Checkout repository
       uses: actions/checkout@v2
+      with:
+        ref: ${{ github.event.inputs.branchName }}
 
     - name: Set up Apple Silicon machine
       run: |
@@ -20,6 +27,8 @@ jobs:
     steps:
     - name: Checkout repository
       uses: actions/checkout@v2
+      with:
+        ref: ${{ github.event.inputs.branchName }}
 
     - name: Set up Apple Intel machine
       run: |
@@ -31,6 +40,8 @@ jobs:
     steps:
     - name: Checkout repository
       uses: actions/checkout@v2
+      with:
+        ref: ${{ github.event.inputs.branchName }}
 
     - name: Set up Linux machine
       run: |