pull in temp dir generator from stereoscope

Signed-off-by: Alex Goodman <wagoodman@gmail.com>

test/integration/catalog_packages_test.go

@@ -1,6 +1,7 @@
 package integration
 
 import (
+	"github.com/stretchr/testify/assert"
 	"testing"
 
 	"github.com/anchore/syft/syft/distro"
@@ -24,7 +25,9 @@ func BenchmarkImagePackageCatalogers(b *testing.B) {
 	for _, c := range cataloger.ImageCatalogers() {
 		// in case of future alteration where state is persisted, assume no dependency is safe to reuse
 		theSource, cleanupSource, err := source.New("docker-archive:"+tarPath, nil)
-		b.Cleanup(cleanupSource)
+		b.Cleanup(func() {
+			assert.NoError(b, cleanupSource())
+		})
 		if err != nil {
 			b.Fatalf("unable to get source: %+v", err)
 		}

test/integration/utils_test.go

@@ -1,6 +1,7 @@
 package integration
 
 import (
+	"github.com/stretchr/testify/assert"
 	"testing"
 
 	"github.com/anchore/stereoscope/pkg/imagetest"
@@ -15,7 +16,9 @@ func catalogFixtureImage(t *testing.T, fixtureImageName string) (*pkg.Catalog, *
 	tarPath := imagetest.GetFixtureImageTarPath(t, fixtureImageName)
 
 	theSource, cleanupSource, err := source.New("docker-archive:"+tarPath, nil)
-	t.Cleanup(cleanupSource)
+	t.Cleanup(func() {
+		assert.NoError(t, cleanupSource())
+	})
 	if err != nil {
 		t.Fatalf("unable to get source: %+v", err)
 	}
@@ -30,7 +33,9 @@ func catalogFixtureImage(t *testing.T, fixtureImageName string) (*pkg.Catalog, *
 
 func catalogDirectory(t *testing.T, dir string) (*pkg.Catalog, *distro.Distro, source.Source) {
 	theSource, cleanupSource, err := source.New("dir:"+dir, nil)
-	t.Cleanup(cleanupSource)
+	t.Cleanup(func() {
+		assert.NoError(t, cleanupSource())
+	})
 	if err != nil {
 		t.Fatalf("unable to get source: %+v", err)
 	}