Merge pull request hashicorp#35282 from hashicorp/b-datasync_task_sch…

…edule

r/aws_datasync_task: allow removal of schedule

.changelog/35282.txt

@@ -0,0 +1,3 @@
+```release-note:bug
+resource/aws_datasync_task: Allow `schedule` to be removed successfully
+```

internal/service/datasync/task.go

@@ -628,7 +628,7 @@ func expandOptions(l []interface{}) *datasync.Options {
 
 func expandTaskSchedule(l []interface{}) *datasync.TaskSchedule {
 	if len(l) == 0 || l[0] == nil {
-		return nil
+		return &datasync.TaskSchedule{ScheduleExpression: aws.String("")} // explicitly set empty object if schedule is nil
 	}
 
 	m := l[0].(map[string]interface{})

internal/service/datasync/task_test.go

@@ -132,6 +132,13 @@ func TestAccDataSyncTask_schedule(t *testing.T) {
 					resource.TestCheckResourceAttr(resourceName, "schedule.0.schedule_expression", "cron(0 12 ? * SUN,MON *)"),
 				),
 			},
+			{
+				Config: testAccTaskConfig_basic(rName),
+				Check: resource.ComposeTestCheckFunc(
+					testAccCheckTaskExists(ctx, resourceName, &task1),
+					resource.TestCheckResourceAttr(resourceName, "schedule.#", "0"),
+				),
+			},
 		},
 	})
 }