ensure reliable cleanup of test repository (#21880)

internal/repository/index/index_parallel_test.go

@@ -15,8 +15,7 @@ import (
 var repoFixture = filepath.Join("..", "testdata", "test-repo.tar.gz")
 
 func TestRepositoryForAllIndexes(t *testing.T) {
-	repo, _, cleanup := repository.TestFromFixture(t, repoFixture)
-	defer cleanup()
+	repo, _ := repository.TestFromFixture(t, repoFixture)
 
 	expectedIndexIDs := restic.NewIDSet()
 	rtest.OK(t, repo.List(context.TODO(), restic.IndexFile, func(id restic.ID, size int64) error {

internal/repository/repository_test.go

@@ -319,8 +319,7 @@ func benchmarkLoadUnpacked(b *testing.B, version uint) {
 var repoFixture = filepath.Join("testdata", "test-repo.tar.gz")
 
 func TestRepositoryLoadIndex(t *testing.T) {
-	repo, _, cleanup := repository.TestFromFixture(t, repoFixture)
-	defer cleanup()
+	repo, _ := repository.TestFromFixture(t, repoFixture)
 
 	rtest.OK(t, repo.LoadIndex(context.TODO(), nil))
 }
@@ -373,8 +372,7 @@ func (be *damageOnceBackend) Load(ctx context.Context, h backend.Handle, length
 }
 
 func TestRepositoryLoadUnpackedRetryBroken(t *testing.T) {
-	repodir, cleanup := rtest.Env(t, repoFixture)
-	defer cleanup()
+	repodir := rtest.Env(t, repoFixture)
 
 	be, err := local.Open(context.TODO(), local.Config{Path: repodir, Connections: 2}, t.Logf)
 	rtest.OK(t, err)

internal/repository/testing.go

@@ -105,11 +105,11 @@ func TestRepositoryWithVersion(t testing.TB, version uint) (*Repository, restic.
 	return repo, &internalRepository{repo}, be
 }
 
-func TestFromFixture(t testing.TB, repoFixture string) (*Repository, backend.Backend, func()) {
-	repodir, cleanup := test.Env(t, repoFixture)
+func TestFromFixture(t testing.TB, repoFixture string) (*Repository, backend.Backend) {
+	repodir := test.Env(t, repoFixture)
 	repo, be := TestOpenLocal(t, repodir)
 
-	return repo, be, cleanup
+	return repo, be
 }
 
 // TestOpenLocal opens a local repository.