Remove wrong "git.DefaultContext" (#35364)

routers/web/repo/wiki_test.go

@@ -29,7 +29,7 @@ const (
 )
 
 func wikiEntry(t *testing.T, repo *repo_model.Repository, wikiName wiki_service.WebPath) *git.TreeEntry {
-	wikiRepo, err := gitrepo.OpenRepository(git.DefaultContext, repo.WikiStorageRepo())
+	wikiRepo, err := gitrepo.OpenRepository(t.Context(), repo.WikiStorageRepo())
 	assert.NoError(t, err)
 	defer wikiRepo.Close()
 	commit, err := wikiRepo.GetBranchCommit("master")