[Communication][Email] Adding PPE Only Parameter to Email Live Tests (Azure#29492)

* Testing only running the PPE stage

* Making PPE stage conditional

* Fixing yaml

* Fixing yaml

* Fixing yaml

* Adding stagesToRun parameter

* Making stagesToRun a variable

* Fixing yaml

* Use runtime syntax

* Use template syntax

* Removing variable value

* Adding only PPE parameter

* Fixing syntax error

---------

Co-authored-by: Yogesh Mohanraj <[email protected]>

Author: yogeshmo

sdk/communication/azure-communication-email/tests.yml

@@ -1,12 +1,24 @@
 trigger: none
 
+parameters:
+- name: runOnlyPPE
+  displayName: "Run only the PPE stage"
+  type: boolean
+  default: false
+
 stages:
   - template: /eng/pipelines/templates/stages/archetype-sdk-tests.yml
     parameters:
       BuildTargetingString: 'azure-communication-email'
       JobName: email
       ServiceDirectory: communication
       CloudConfig:
+        PPE:
+          SubscriptionConfigurations:
+            - $(sub-config-communication-ppe-test-resources-common)
+            - $(sub-config-communication-ppe-test-resources-python)
+          MatrixReplace:
+            - TestSamples=.*/true
         Public:
           SubscriptionConfigurations:
             - $(sub-config-azure-cloud-test-resources)
@@ -16,13 +28,10 @@ stages:
           SubscriptionConfigurations:
             - $(sub-config-communication-int-test-resources-common)
             - $(sub-config-communication-int-test-resources-python)
-        PPE:
-          SubscriptionConfigurations:
-            - $(sub-config-communication-ppe-test-resources-common)
-            - $(sub-config-communication-ppe-test-resources-python)
-          MatrixReplace:
-            - TestSamples=.*/true
-      Clouds: 'Public,PPE,Int'
+      ${{ if eq(parameters.runOnlyPPE, true) }}:
+        Clouds: 'PPE'
+      ${{ if eq(parameters.runOnlyPPE, false) }}:
+        Clouds: 'Public,Int,PPE'
       EnvVars:
         AZURE_SKIP_LIVE_RECORDING: 'True'
         AZURE_TEST_RUN_LIVE: 'true'