Merge pull request #268 from robertohuertasm/fix/delayed_option

fix(delayed_option): allow to schedule notifications

Author: jkasten2

lib/src/create_notification.dart

@@ -168,7 +168,7 @@ class OSCreateNotification extends JSONStringRepresentable {
     if (this.iosBadgeType != null)
       json['ios_badgeType'] = convertEnumCaseToValue(this.iosBadgeType);
     if (this.delayedOption != null)
-      json['delay_option'] = convertEnumCaseToValue(this.delayedOption);
+      json['delayed_option'] = convertEnumCaseToValue(this.delayedOption);
 
     // adds buttons
     if (this.buttons != null) {

test/create_notification_test.dart

@@ -86,7 +86,7 @@ void main() {
   });
 
   test('expect delayed option to be parsed correctly', () {
-    expect(notificationJson['delay_option'], 'last_active');
+    expect(notificationJson['delayed_option'], 'last_active');
   });
 
   test('expect delivery time of day to be parsed correctly', () {