Merge pull request #4843 from segmentio/lizkane222-patch-21-1

Update send-data.md Updated page with List Destination info

Author: rchinn1

src/engage/journeys/send-data.md

@@ -26,8 +26,8 @@ Follow these steps to send a test event:
 
 1. From the **Send to destinations** window, select **+ Add destination**.
 2. Choose the Destination that you want to connect.
-3. In the Destination pane, select **Event tester**.
-4. From the **Event Type** dropdown, select the event you want to test. Segment generates a test user ID.
+3. In the Destination pane, select **Event tester**. This is only available for [Event Destinations](/docs/engage/using-engage-data/#engage-destination-types-event-vs-list).
+4. From the **Event Type** drop-down, select the event you want to test. Segment generates a test user ID.
 5. Select **Send Event**, then view the test event results in the **Event lifecycle** section.
 
 If your Destination successfully handled the event, Segment displays a `200 OK` HTTP status code along with the full response. If an error occurred, Segment displays any available details in the Event lifecyle section.
@@ -81,6 +81,6 @@ When the user enters the step:
 
 ### List destination
 
-The destination receives a list of users who qualify for the associated journey step. Unlike lists associated with Engage Audiences, users who are added to a journey list cannot be subsequently removed. See [best practices](/docs/engage/journeys/faq-best-practices#suppress-targeting-with-journey-lists) for techniques to suppress targeting with journey lists.
+The destination receives a list of users who qualify for the associated journey step. Unlike lists associated with Engage Audiences, users who are added to a journey list cannot be subsequently removed. See [best practices](/docs/engage/journeys/faq-best-practices#suppress-targeting-with-journey-lists) for techniques to suppress targeting with journey lists. List destinations do not have access to the Event tester.
 
 For more information, see [Using Engage Data](/docs/engage/using-engage-data/).