Fix cert used in root ca dps setup

Author: ewertons

vsts/dps-e2e.yaml

@@ -224,7 +224,11 @@ stages:
           # Set DPS Root CA
           export DPS_ROOT_CA_CERT_NAME="azure-iot-test-only"
 
-          time az iot dps certificate create --dps-name $AZURE_DPS_NAME --resource-group $AZURE_RESOURCE_GROUP --name $DPS_ROOT_CA_CERT_NAME --path $DPS_ROOT_CA_PK_PATH
+          echo ">>> DPS_ROOT_CA_CERT_PATH=$DPS_ROOT_CA_CERT_PATH"
+          cat $DPS_ROOT_CA_CERT_PATH
+          echo "<<<"
+
+          time az iot dps certificate create --dps-name $AZURE_DPS_NAME --resource-group $AZURE_RESOURCE_GROUP --name $DPS_ROOT_CA_CERT_NAME --path $DPS_ROOT_CA_CERT_PATH
 
           etag=$(az iot dps certificate show --dps-name $AZURE_DPS_NAME --resource-group $AZURE_RESOURCE_GROUP --name $DPS_ROOT_CA_CERT_NAME --query etag -o tsv)
           verification_cert=$(az iot dps certificate generate-verification-code --dps-name $AZURE_DPS_NAME --resource-group $AZURE_RESOURCE_GROUP --name $DPS_ROOT_CA_CERT_NAME --etag "$etag")