diff --git a/.azure-pipelines/azure-pipelines-pr.yml b/.azure-pipelines/azure-pipelines-pr.yml
index fdf9a3de..23c095dd 100644
--- a/.azure-pipelines/azure-pipelines-pr.yml
+++ b/.azure-pipelines/azure-pipelines-pr.yml
@@ -1,7 +1,7 @@
 # This pipeline
 # 1. Runs when a PR is raised against working branch
 # 2. Makes sure working branch is in healthy state (run tests across platforms)
-# 3. Run style check and code coverage
+# 3. Run style check and code coverage test3
 
 pr:
 - master
@@ -19,6 +19,8 @@ jobs:
     inputs:
       versionSpec: '3.x'
       architecture: 'x64'
+  - script: pip install setuptools 
+    displayName: 'install setuptools' 
 
   - template: templates/setup-ci-machine.yml
 
@@ -33,6 +35,10 @@ jobs:
     inputs:
       versionSpec: '3.x'
       architecture: 'x64'
+      - task: CmdLine@2
+      displayName: 'Upgrade pip'
+      inputs:
+        script: python -m pip install --upgrade pip
 
   - template: templates/setup-ci-machine.yml
 
@@ -60,7 +66,7 @@ jobs:
 - job: 'Run_Test_Mac'
   dependsOn : Build_Publish_Azure_CLI_Test_SDK
   pool:
-    vmImage: 'macOS-10.15'
+    vmImage: 'macOS-latest'
 
   steps:
   - template: templates/run-tests.yml
@@ -70,7 +76,7 @@ jobs:
 - job: 'Run_Test_Mac_Azure_CLI_Released_Version'
   dependsOn : Build_Publish_Azure_CLI_Test_SDK
   pool:
-    vmImage: 'macOS-10.15'
+    vmImage: 'macOS-latest'
 
   steps:
   - template: templates/run-tests.yml
@@ -96,7 +102,7 @@ jobs:
 - job: 'Code_Coverage'
   dependsOn: 'Build_Publish_Azure_CLI_Test_SDK'
   pool:
-    vmImage: 'macOS-10.15'
+    vmImage: 'macOS-latest'
 
   steps:
   - task: UsePythonVersion@0
@@ -133,7 +139,7 @@ jobs:
 
 - job: 'Run_Style_Check'
   pool:
-    vmImage: 'macOS-10.15'
+    vmImage: 'macOS-latest'
 
   steps:
   - task: UsePythonVersion@0
@@ -161,7 +167,7 @@ jobs:
 - job: 'Run_HelpText_Check'
   dependsOn: 'Build_Publish_Azure_CLI_Test_SDK'
   pool:
-    vmImage: 'macOS-10.15'
+    vmImage: 'macOS-latest'
 
   steps:
   - task: UsePythonVersion@0
@@ -188,7 +194,7 @@ jobs:
 - job: 'Run_Test_From_Old_Release'
   dependsOn : Build_Publish_Azure_CLI_Test_SDK
   pool:
-    vmImage: 'macOS-10.15'
+    vmImage: 'macOS-latest'
 
   steps:
   - script: git checkout Releases-0.26.0