Docs: Clear watermarks after setting them
Clear the disk watermark after the snippet showing users how to set it.
Without this our tests will fail if the disks have less than 10GB free.
Closes
@@ -98,3 +98,20 @@ PUT _cluster/settings
--------------------------------------------------
// CONSOLE
+/////////////////////
+
+Clear the settings so they don't leak into subsequent snippets.
+
+[source,js]
+--------------------------------------------------
+PUT _cluster/settings
+{
+ "transient": {
+ "cluster.*" : null
+ }
+}
+--------------------------------------------------
+// CONSOLE
+// TEST[continued]
+
+/////////////////////
