testCases := []*TestSuiteCommon{
		// Init and run test on ErasureSD backend with signature v4.
		{serverType: "ErasureSD", signer: signerV4},
		// Init and run test on ErasureSD backend with signature v2.
		{serverType: "ErasureSD", signer: signerV2},
		// Init and run test on ErasureSD backend, with tls enabled.
		{serverType: "ErasureSD", signer: signerV4, secure: true},
		// Init and run test on Erasure backend.

			if err.Error() != test.ExpectedErr.Error() {
				t.Errorf("Test %d: got error '%v' - want error '%v'", i, err, test.ExpectedErr)
			}
		}
		if !bytes.Equal(dataKey, test.DataKey) {
			t.Errorf("Test %d: got data key '%v' - want data key '%v'", i, dataKey, test.DataKey)
		}
		if keyID != test.KeyID {
			t.Errorf("Test %d: got key-ID '%v' - want key-ID '%v'", i, keyID, test.KeyID)
		}
		if sealedKey.Algorithm != test.SealedKey.Algorithm {

			if err != nil {
				t.Fatalf("Test %q: Initializing reader failed %s", testCase.desc, err)
			}
			_, err = io.Copy(io.Discard, r)
			if err != nil {
				if testCase.err == nil {
					t.Errorf("Test %q; got unexpected error: %v", testCase.desc, err)
					return
				}
				if err.Error() != testCase.err.Error() {
					t.Errorf("Test %q: Expected error %s, got error %s", testCase.desc, testCase.err, err)

}

func TestErasureHeal(t *testing.T) {
	for i, test := range erasureHealTests {
		if test.offDisks < test.badStaleDisks {
			// test case sanity check
			t.Fatalf("Test %d: Bad test case - number of stale drives cannot be less than number of badstale drives", i)
		}

		// create some test data
		setup, err := newErasureTestSetup(t, test.dataBlocks, test.disks-test.dataBlocks, test.blocksize)
		if err != nil {

	},
}

func TestContainsReservedMetadata(t *testing.T) {
	for _, test := range containsReservedMetadataTests {
		test := test
		t.Run("", func(t *testing.T) {
			contains := containsReservedMetadata(test.header)
			if contains && !test.shouldFail {
				t.Errorf("contains reserved header but should not fail")
			} else if !contains && test.shouldFail {
				t.Errorf("does not contain reserved header but failed")
			}

			if err != nil {
				t.Fatal("dir/obj not found before last test")
			}
			_, actualErr := xl.DeleteObject(ctx, test.bucket, test.object, ObjectOptions{})
			if test.expectedErr != nil && actualErr != test.expectedErr {
				t.Errorf("Expected to fail with %s, but failed with %s", test.expectedErr, actualErr)
			}
			if test.expectedErr == nil && actualErr != nil {

			want:      lifecycle.DelMarkerDeleteAllVersionsAction,
		},
	}

	for i, test := range tests {
		t.Run(fmt.Sprintf("TestEvalAction-%d", i), func(t *testing.T) {
			if got := evalActionFromLifecycle(context.TODO(), test.ilm, test.retention, nil, test.obj); got.Action != test.want {
				t.Fatalf("Expected %v but got %v", test.want, got)
			}
		})
	}

	baseTestCases := []TestSuiteCommon{
		// Init and run test on ErasureSD backend with signature v4.
		{serverType: "ErasureSD", signer: signerV4},
		// Init and run test on ErasureSD backend, with tls enabled.
		{serverType: "ErasureSD", signer: signerV4, secure: true},
		// Init and run test on Erasure backend.
		{serverType: "Erasure", signer: signerV4},
		// Init and run test on ErasureSet backend.

	weSleep := func() bool { return false }

	got, err := scanDataFolder(context.Background(), nil, base, dataUsageCache{Info: dataUsageCacheInfo{Name: bucket}}, getSize, 0, weSleep)
	if err != nil {
		t.Fatal(err)
	}

	// Test dirs
	want := []struct {
		path       string
		isNil      bool
		size, objs int
		flatten    bool
		oSizes     sizeHistogram
	}{
		{
			path:    "/",
			size:    1322310,
			flatten: true,

	// test empty list.
	buckets, err := obj.ListBuckets(context.Background(), BucketOptions{})
	if err != nil {
		t.Fatalf("%s: <ERROR> %s", instanceType, err)
	}
	if len(buckets) != 0 {
		t.Errorf("%s: Expected number of bucket to be `%d`, but instead found `%d`", instanceType, 0, len(buckets))
	}

	// add one and test exists.