[MM-27376] api4/channel: add move channel to local mode (#15200)

* api4/channel: add move channel to local mode

* app/channel: reflect review comments

api4/channel_test.go

@@ -3932,35 +3932,35 @@ func TestMoveChannel(t *testing.T) {
 		CheckErrorMessage(t, resp, "api.context.permissions.app_error")
 	})
 
-	t.Run("Should fail to move channel due to a member not member of target team", func(t *testing.T) {
+	th.TestForSystemAdminAndLocal(t, func(t *testing.T, client *model.Client4) {
 		publicChannel := th.CreatePublicChannel()
 		user := th.BasicUser
 
-		_, resp := th.SystemAdminClient.RemoveTeamMember(team2.Id, user.Id)
+		_, resp := client.RemoveTeamMember(team2.Id, user.Id)
 		CheckNoError(t, resp)
 
-		_, resp = th.SystemAdminClient.AddChannelMember(publicChannel.Id, user.Id)
+		_, resp = client.AddChannelMember(publicChannel.Id, user.Id)
 		CheckNoError(t, resp)
 
-		_, resp = th.SystemAdminClient.MoveChannel(publicChannel.Id, team2.Id, false)
+		_, resp = client.MoveChannel(publicChannel.Id, team2.Id, false)
 		require.NotNil(t, resp.Error)
 		CheckErrorMessage(t, resp, "app.channel.move_channel.members_do_not_match.error")
-	})
+	}, "Should fail to move channel due to a member not member of target team")
 
-	t.Run("Should be able to (force) move channel by a member that is not member of target team", func(t *testing.T) {
+	th.TestForSystemAdminAndLocal(t, func(t *testing.T, client *model.Client4) {
 		publicChannel := th.CreatePublicChannel()
 		user := th.BasicUser
 
-		_, resp := th.SystemAdminClient.RemoveTeamMember(team2.Id, user.Id)
+		_, resp := client.RemoveTeamMember(team2.Id, user.Id)
 		CheckNoError(t, resp)
 
-		_, resp = th.SystemAdminClient.AddChannelMember(publicChannel.Id, user.Id)
+		_, resp = client.AddChannelMember(publicChannel.Id, user.Id)
 		CheckNoError(t, resp)
 
-		newChannel, resp := th.SystemAdminClient.MoveChannel(publicChannel.Id, team2.Id, true)
+		newChannel, resp := client.MoveChannel(publicChannel.Id, team2.Id, true)
 		require.Nil(t, resp.Error)
 		require.Equal(t, team2.Id, newChannel.TeamId)
-	})
+	}, "Should be able to (force) move channel by a member that is not member of target team")
 }
 
 func TestUpdateCategoryForTeamForUser(t *testing.T) {