fix missing AzureWebJobsEventHubPath

Author: jviau

eng/ci/templates/official/jobs/run-integration-tests.yml

@@ -83,6 +83,7 @@ jobs:
         Write-Host "##vso[task.setvariable variable=ConnectionStrings__CosmosDB]$env:CosmosDbSecretMap"
         Write-Host "##vso[task.setvariable variable=AzureWebJobsEventHubSender]$env:AzureWebJobsEventHubSenderSecretMap"
         Write-Host "##vso[task.setvariable variable=AzureWebJobsEventHubReceiver]$env:AzureWebJobsEventHubReceiverSecretMap"
+        Write-Host "##vso[task.setvariable variable=AzureWebJobsEventHubPath]testhub"
     env:
       AzureWebJobsStorageSecretMap: $(Storage)
       AzureWebJobsSecondaryStorageSecretMap: $(SecondaryStorage)

eng/ci/templates/official/jobs/run-non-e2e-tests.yml

@@ -92,6 +92,7 @@ jobs:
       AzureWebJobsSecretStorageKeyVaultTenantId: $(AzureTenantId)
       AzureWebJobsSecretStorageKeyVaultClientId: $(AzureClientId)
       AzureWebJobsSecretStorageKeyVaultClientSecret: $(AzureClientSecret)
+      AzureWebJobsEventHubPath: testhub
 
   - task: PowerShell@2
     condition: always()