Add ! for verify_record! because it could raise

lib/gitlab/email/handler/base_handler.rb

@@ -42,7 +42,7 @@ module Gitlab
           end.join
         end
-        def verify_record(record, exception, error_title)
+        def verify_record!(record, exception, error_title)
           return if record.persisted?
           msg = error_title + record.errors.full_messages.map do |error|

lib/gitlab/email/handler/create_issue_handler.rb

@@ -12,7 +12,7 @@ module Gitlab
         def execute
           validate_permission!(:create_issue)
-          verify_record(
+          verify_record!(
             create_issue,
             InvalidIssueError,
             "The issue could not be created for the following reasons:"

lib/gitlab/email/handler/create_note_handler.rb

@@ -18,7 +18,7 @@ module Gitlab
           raise NoteableNotFoundError unless sent_notification.noteable
           raise EmptyEmailError if message.blank?
-          verify_record(
+          verify_record!(
             create_note,
             InvalidNoteError,
             "The comment could not be created for the following reasons:"