Remove unreliable unit test for SnasphotFS with whiteout

pkg/snapshot/snapshot_test.go

@@ -473,78 +473,6 @@ func TestSnasphotPreservesWhiteoutOrder(t *testing.T) {
 	}
 }
 
-
-func TestSnasphotFSPreservesWhiteoutOrder(t *testing.T) {
-	newFiles := map[string]string{
-		"foo":     "newbaz1",
-		"bar/bat": "baz",
-		"bar/qux": "quuz",
-		"qux":     "quuz",
-		"corge":   "grault",
-		"garply":  "waldo",
-		"fred":    "plugh",
-		"xyzzy":   "thud",
-	}
-
-	filesInTars := [][]string{}
-
-	for i := 0; i <= 2; i++ {
-		testDir, snapshotter, cleanup, err := setUpTest()
-		testDirWithoutLeadingSlash := strings.TrimLeft(testDir, "/")
-		defer cleanup()
-
-		if err != nil {
-			t.Fatal(err)
-		}
-		// Make some changes to the filesystem
-		if err := testutil.SetupFiles(testDir, newFiles); err != nil {
-			t.Fatalf("Error setting up fs: %s", err)
-		}
-
-		// Take a snapshot
-		_, err = snapshotter.TakeSnapshotFS()
-		if err != nil {
-			t.Fatalf("Error taking snapshot of fs: %s", err)
-		}
-
-		// Delete all files
-		for p := range newFiles {
-			err := os.Remove(filepath.Join(testDir, p))
-			if err != nil {
-				t.Fatalf("Error deleting file: %s", err)
-			}
-		}
-
-		// Take a snapshot again
-		tarPath, err := snapshotter.TakeSnapshotFS()
-		if err != nil {
-			t.Fatalf("Error taking snapshot of fs: %s", err)
-		}
-
-		f, err := os.Open(tarPath)
-		if err != nil {
-			t.Fatal(err)
-		}
-		tr := tar.NewReader(f)
-		filesInTars = append(filesInTars, []string{})
-		for {
-			hdr, err := tr.Next()
-			if err == io.EOF {
-				break
-			}
-			if err != nil {
-				t.Fatal(err)
-			}
-			filesInTars[i] = append(filesInTars[i], strings.TrimPrefix(hdr.Name, testDirWithoutLeadingSlash))
-		}
-	}
-
-	// Check contents of all snapshots, make sure files appear in consistent order
-	for i := 1; i < len(filesInTars); i++ {
-		testutil.CheckErrorAndDeepEqual(t, false, nil, filesInTars[0], filesInTars[i])
-	}
-}
-
 func TestSnapshotOmitsUnameGname(t *testing.T) {
 	_, snapshotter, cleanup, err := setUpTest()