minor code style changes

testing/mock/emailService.go

@@ -1,13 +0,0 @@
-package mock
-
-import "github.com/dhax/go-base/email"
-
-type EmailService struct {
-	LoginTokenFn      func(name, email string, c email.LoginTokenContent) error
-	LoginTokenInvoked bool
-}
-
-func (s *EmailService) LoginToken(n, e string, c email.LoginTokenContent) error {
-	s.LoginTokenInvoked = true
-	return s.LoginTokenFn(n, e, c)
-}

testing/mock/mailer.go

@@ -0,0 +1,13 @@
+package mock
+
+import "github.com/dhax/go-base/email"
+
+type Mailer struct {
+	LoginTokenFn      func(name, email string, c email.ContentLoginToken) error
+	LoginTokenInvoked bool
+}
+
+func (s *Mailer) LoginToken(n, e string, c email.ContentLoginToken) error {
+	s.LoginTokenInvoked = true
+	return s.LoginTokenFn(n, e, c)
+}