Mailer now ignores mailing erros when env is set to test

ref #154

src/mailer.ts

@@ -23,6 +23,7 @@ export class Mailer {
                 resetKey: token
             });
         } catch (error) {
+            if (Mailer.testing) { return true; }
             throw new MailSendingError();
         }
     }
@@ -39,6 +40,7 @@ export class Mailer {
                 selfserviceToken: token
             });
         } catch (error) {
+            if (Mailer.testing) { return true; }
             throw new MailSendingError();
         }
     }
@@ -55,6 +57,7 @@ export class Mailer {
                 selfserviceToken: token
             });
         } catch (error) {
+            if (Mailer.testing) { return true; }
             throw new MailSendingError();
         }
     }