Merge pull request #4945 from segmentio/sarahrudy-patch-16

Update Event Tester page

Author: rchinn1

src/_data/sidenav/main.yml

@@ -261,7 +261,7 @@ sections:
       - path: /connections/storage/warehouses/redshift-useful-sql
         title: Useful SQL Queries for Redshift
   - path: /connections/test-connections
-    title: Testing Connections
+    title: Event Tester
   - path: /connections/data-export-options
     title: Data Export Options
   - path: /connections/destination-data-control

src/connections/test-connections.md

@@ -1,10 +1,13 @@
 ---
-title: "Testing Connections"
+title: "Event Tester"
 ---
 
 
 Segment has an Event Tester that enables you to test your connections between Segment and your destination. You can access the Event Tester from your Source Debugger, or from your destination settings.   
 
+> info "Available for server-side event streaming destinations only"
+> This feature is only available for server-side integrations (also known as cloud-mode destinations). You can't use this for client-side integrations (also known as device-mode destinations). 
+
 ## Use Cases
 
 There are two scenarios where you might want to use the Event Tester: