Integration tests fail

[rasa]

What happened?

go run build.go integration fails. See log below.
This patch fixes the issue:

--- a/lib/config/wrapper.go
+++ b/lib/config/wrapper.go
@@ -121,6 +121,8 @@ type Wrapper interface {
  Subscribe(c Committer) Configuration
  Unsubscribe(c Committer)
 
+ SetFolder(folder FolderConfiguration)
+
  suture.Service
 }
 
@@ -501,6 +503,12 @@ func (w *wrapper) Folder(id string) (FolderConfiguration, bool) {
  return fcfg.Copy(), ok
 }
 
+func (w *wrapper) SetFolder(folder FolderConfiguration) {
+ w.mut.Lock()
+ defer w.mut.Unlock()
+ w.cfg.SetFolders([]FolderConfiguration{folder})
+}
+
 // Save writes the configuration to disk, and generates a ConfigSaved event.
 func (w *wrapper) Save() error {
  w.mut.Lock()

Would a PR with this patch be acceptable?

Syncthing version

main

Platform & operating system

Linux amd64

Browser version

n/a

Relevant log output

ross@starlin ~/gh/syncthing $ go run build.go integration
[test -v -timeout 60m -tags purego,integration ./test]
# github.com/syncthing/syncthing/test [github.com/syncthing/syncthing/test.test]
test/filetype_test.go:29:6: cfg.SetFolder undefined (type config.Wrapper has no field or method SetFolder)
test/filetype_test.go:46:6: cfg.SetFolder undefined (type config.Wrapper has no field or method SetFolder)
test/filetype_test.go:62:6: cfg.SetFolder undefined (type config.Wrapper has no field or method SetFolder)
test/override_test.go:32:6: cfg.SetFolder undefined (type config.Wrapper has no field or method SetFolder)
test/symlink_test.go:33:6: cfg.SetFolder undefined (type config.Wrapper has no field or method SetFolder)
test/symlink_test.go:54:6: cfg.SetFolder undefined (type config.Wrapper has no field or method SetFolder)
test/symlink_test.go:74:6: cfg.SetFolder undefined (type config.Wrapper has no field or method SetFolder)
FAIL    github.com/syncthing/syncthing/test [build failed]
FAIL
exit status 1
exit status 1

[rasa]

Also, after this fix, I had to regen the mocks, for some tests to run.

[rasa]

Dup of #8071