Add merge main branch step

.github/workflows/promptflow-tracing-e2e-test.yml

@@ -1,25 +1,18 @@
 name: promptflow-tracing-e2e-test
-
 on:
   schedule:
     - cron: "40 17 * * *" # Every day starting at 1:40 BJT
-
   pull_request_target:
     paths:
       - src/promptflow/**
       - scripts/building/**
       - .github/workflows/promptflow-tracing-e2e-test.yml
-
   workflow_dispatch:
-
-
 env:
   packageSetupType: promptflow_with_extra
   testWorkingDirectory: ${{ github.workspace }}/src/promptflow
   PYTHONPATH: ${{ github.workspace }}/src/promptflow
   IS_IN_CI_PIPELINE: "true"
-
-
 jobs:
   authorize:
     environment:
@@ -38,6 +31,11 @@ jobs:
     steps:
     - name: checkout
       uses: actions/checkout@v4
+      with:
+        ref: ${{ github.event.pull_request.head.sha || github.ref }}
+        fetch-depth: 0
+    - name: merge main to current branch
+      uses: "./.github/actions/step_merge_main"
     - name: Display and Set Environment Variables
       run: |
         env | sort >> $GITHUB_OUTPUT
@@ -60,7 +58,6 @@ jobs:
         path: |
           ${{ github.workspace }}/src/promptflow/dist/*.whl
           ${{ github.workspace }}/src/promptflow-tools/dist/*.whl
-
   tracing_tests:
     needs: build
     strategy:
@@ -72,24 +69,25 @@ jobs:
     steps:
     - name: checkout
       uses: actions/checkout@v4
-
+      with:
+        ref: ${{ github.event.pull_request.head.sha || github.ref }}
+        fetch-depth: 0
+    - name: merge main to current branch
+      uses: "./.github/actions/step_merge_main"
     - name: Display and Set Environment Variables
       run: |
         env | sort >> $GITHUB_OUTPUT
       id: display_env
       shell: bash -el {0}
-
     - name: Python Setup - ${{ matrix.os }} - Python Version ${{ matrix.pythonVersion }}
       uses: "./.github/actions/step_create_python_environment"
       with:
         pythonVersion: ${{ matrix.pythonVersion }}
-
     - name: Download Artifacts
       uses: actions/download-artifact@v3
       with:
         name: wheel
         path: artifacts
-
     - name: Install wheel
       shell: pwsh
       working-directory: artifacts
@@ -99,21 +97,17 @@ jobs:
         gci ./promptflow -Recurse | % {if ($_.Name.Contains('.whl')) {python -m pip install "$($_.FullName)"}}
         gci ./promptflow-tools -Recurse | % {if ($_.Name.Contains('.whl')) {python -m pip install $_.FullName}}
         pip freeze
-
     - name: Azure Login
       uses: azure/login@v1
       with:
         creds: ${{ secrets.AZURE_CREDENTIALS }}
-
     - name: Generate Configs
       uses: "./.github/actions/step_generate_configs"
       with:
         targetFolder: ${{ env.testWorkingDirectory }}
-
     - name: Get number of CPU cores
       uses: SimenB/github-actions-cpu-cores@v1
       id: cpu-cores
-
     - name: run promptflow-tracing test
       shell: pwsh
       working-directory: ${{ env.testWorkingDirectory }}
@@ -126,7 +120,6 @@ jobs:
           -n ${{ steps.cpu-cores.outputs.count }} `
           --coverage-config ${{ github.workspace }}/src/promptflow/tests/tracing_test/.coveragerc `
           -o "${{ env.testWorkingDirectory }}/test-results-tracing.xml"
-
     - name: Upload Test Results
       if: always()
       uses: actions/upload-artifact@v3
@@ -135,22 +128,24 @@ jobs:
         path: |
           ${{ env.testWorkingDirectory }}/*.xml
           ${{ env.testWorkingDirectory }}/htmlcov/
-
-
   publish-test-results-tracing-test:
+    name: "Publish Tests Results"
     needs: tracing_tests
     if: always()
-
     runs-on: ubuntu-latest
     permissions:
       checks: write
       pull-requests: write
       contents: read
       issues: read
-
     steps:
     - name: checkout
       uses: actions/checkout@v4
+      with:
+        ref: ${{ github.event.pull_request.head.sha || github.ref }}
+        fetch-depth: 0
+    - name: merge main to current branch
+      uses: "./.github/actions/step_merge_main"
     - name: Publish Test Results
       uses: "./.github/actions/step_publish_test_results"
       with: