Fix failing checkouts on mac livetests (#42827)

* use - checkout with sparse checkout + disabling fetch of tags over sparse-checkout template

Author: scbedd

eng/pipelines/templates/jobs/ci.tests.yml

@@ -82,10 +82,10 @@ jobs:
       value: ${{ parameters.InjectedPackages }}
 
     steps:
-    - template: /eng/common/pipelines/templates/steps/sparse-checkout.yml
-      parameters:
-        Paths:
-          - '**'
+    - checkout: self
+      fetchTags: false
+      sparseCheckoutPatterns: |
+        **
 
     - template: /eng/pipelines/templates/steps/download-package-artifacts.yml
 

eng/pipelines/templates/jobs/live.tests.yml

@@ -107,6 +107,11 @@ jobs:
       container: $[ variables['Container'] ]
 
     steps:
+      - checkout: self
+        fetchTags: false
+        sparseCheckoutPatterns: |
+          **
+
       - ${{ parameters.PreSteps }}
 
       - template: /eng/common/pipelines/templates/steps/verify-agent-os.yml

eng/pipelines/templates/steps/build-package-artifacts.yml

@@ -25,10 +25,10 @@ parameters:
     default: []
 
 steps:
-  - template: /eng/common/pipelines/templates/steps/sparse-checkout.yml
-    parameters:
-      Paths:
-        - '**'
+  - checkout: self
+    fetchTags: false
+    sparseCheckoutPatterns: |
+      **
 
   - task: UsePythonVersion@0
     displayName: 'Use Python $(PythonVersion)'