Fix get-snapshot-api :docs:integTest (#83273)

Author: joegallo

docs/reference/snapshot-restore/apis/create-snapshot-api.asciidoc

@@ -116,7 +116,7 @@ Comma-separated list of data streams and indices to include in the snapshot.
 Supports <<multi-index,multi-index syntax>>. Defaults to an empty array (`[]`),
 which includes all data streams and indices, including system indices.
 +
-To exclude all data streams and indices, use `-*` or `none`.
+To exclude all data streams and indices, use `-*`.
 
 [id="{page-id}-feature-states"]
 `feature_states`::

docs/reference/snapshot-restore/apis/get-snapshot-api.asciidoc

@@ -18,10 +18,24 @@ PUT /_snapshot/my_repository
 }
 
 PUT /_snapshot/my_repository/my_snapshot?wait_for_completion=true
+{
+  "indices":"-*"
+}
 
 PUT /_snapshot/my_repository/snapshot_1?wait_for_completion=true
+{
+  "indices":"-*"
+}
+
 PUT /_snapshot/my_repository/snapshot_2?wait_for_completion=true
+{
+  "indices":"-*"
+}
+
 PUT /_snapshot/my_repository/snapshot_3?wait_for_completion=true
+{
+  "indices":"-*"
+}
 ----
 // TESTSETUP
 ////