MM-7881 non-case sensitive username notifications off by default (#13851)

Automatic Merge

app/import_functions_test.go

@@ -4,7 +4,6 @@
 package app
 
 import (
-	"fmt"
 	"io/ioutil"
 	"os"
 	"path/filepath"
@@ -1218,7 +1217,7 @@ func TestImportImportUser(t *testing.T) {
 	checkNotifyProp(t, user, model.PUSH_STATUS_NOTIFY_PROP, model.STATUS_ONLINE)
 	checkNotifyProp(t, user, model.CHANNEL_MENTIONS_NOTIFY_PROP, "true")
 	checkNotifyProp(t, user, model.COMMENTS_NOTIFY_PROP, model.COMMENTS_NOTIFY_ROOT)
-	checkNotifyProp(t, user, model.MENTION_KEYS_NOTIFY_PROP, fmt.Sprintf("%s,@%s", username, username))
+	checkNotifyProp(t, user, model.MENTION_KEYS_NOTIFY_PROP, "")
 
 	// Set Notify Props with Mention keys
 	data.NotifyProps = &UserNotifyPropsImportData{
@@ -1537,7 +1536,8 @@ func TestImportUserDefaultNotifyProps(t *testing.T) {
 		Username: &username,
 		Email:    ptrStr(model.NewId() + "@example.com"),
 		NotifyProps: &UserNotifyPropsImportData{
-			Email: ptrStr("false"),
+			Email:       ptrStr("false"),
+			MentionKeys: ptrStr(""),
 		},
 	}
 	require.Nil(t, th.App.importUser(&data, false))