fix: Make cookies host-only in dev mode for test compatibility

Author: shepilov

model/session/session.go

@@ -180,7 +180,12 @@ func CookieName(i *instance.Instance) string {
 // subdomains, we need to put it one level higher (eg .mycozy.cloud instead of
 // .example.mycozy.cloud) to make the cookie available when the user visits
 // their apps.
+// In development mode, returns empty string to make cookies host-only,
+// which allows tests to work with localhost.
 func CookieDomain(i *instance.Instance) string {
+	if build.IsDevRelease() {
+		return ""
+	}
 	domain := i.ContextualDomain()
 	if config.GetConfig().Subdomains == config.FlatSubdomains {
 		parts := strings.SplitN(domain, ".", 2)

web/shortcuts/shortcuts_test.go

@@ -71,7 +71,7 @@ func TestShortcuts(t *testing.T) {
 
 		cozyMeta := attrs.Value("cozyMetadata").Object()
 		cozyMeta.Value("createdAt").String().DateTime(time.RFC3339)
-		cozyMeta.Value("createdOn").String().Contains("https://testshortcuts_")
+		cozyMeta.Value("createdOn").String().Contains("https://testshortcuts-")
 
 		target := attrs.Value("metadata").Object().Value("target").Object()
 		target.ValueEqual("app", "photos")