Fix tests

pkg/notifications/mail_test.go

@@ -57,7 +57,7 @@ func TestNewMail(t *testing.T) {
 		assert.Equal(t, "test@example.com", mail.from)
 		assert.Equal(t, "test@otherdomain.com", mail.to)
 		assert.Equal(t, "Testmail", mail.subject)
-		assert.Equal(t, "Hi,", mail.greeting) // Default greeting
+		assert.Equal(t, "", mail.greeting)
 		assert.Len(t, mail.introLines, 2)
 		assert.Equal(t, "This is a line", mail.introLines[0])
 		assert.Equal(t, "And another one", mail.introLines[1])