int size = 1024;
    byte[] expectedBytes = new byte[size];
    byte[] bytes = newPreFilledByteArray(1024);

    // Setup
    File file = createTempFile();
    Files.write(bytes, file);

    Random random = new Random();
    random.nextBytes(expectedBytes);

    // Test
    MappedByteBuffer map = Files.map(file, MapMode.READ_WRITE);
    map.put(expectedBytes);

    // Verify

    int size = 1024;
    byte[] expectedBytes = new byte[size];
    byte[] bytes = newPreFilledByteArray(1024);

    // Setup
    File file = createTempFile();
    Files.write(bytes, file);

    Random random = new Random();
    random.nextBytes(expectedBytes);

    // Test
    MappedByteBuffer map = Files.map(file, MapMode.READ_WRITE);
    map.put(expectedBytes);

    // Verify

				t.Errorf("unexpected error when print object: %v", err)
			}

			actualBytes := rt.buf.Bytes()
			if !bytes.Equal(actualBytes, rt.expectedBytes) {
				t.Errorf(
					"failed PrintUpgradePlan:\n\texpected: %s\n\n\tactual: %s",
					string(rt.expectedBytes),
					string(actualBytes),
				)
			}
		})
	}
}

func TestPrintUpgradePlanStructured(t *testing.T) {
	upgrades := []upgrade.Upgrade{

			CheckInterval: rootCertCheckInverval,
		},
	}

	return NewIstioCA(caOpts)
}

func comparePem(expectedBytes []byte, file string) bool {
	fileBytes, err := os.ReadFile(file)
	if err != nil {
		return false
	}
	if !bytes.Equal(fileBytes, expectedBytes) {
		return false
	}
	return true

				}
				objBytes, err := unstructured.MarshalJSON()
				if err != nil {
					t.Fatalf("err marshaling json: %v", err)
				}
				expectedBytes, err := tc.expectedObj.MarshalJSON()
				if err != nil {
					t.Fatalf("err marshaling json: %v", err)
				}
				if bytes.Compare(objBytes, expectedBytes) != 0 {
					t.Fatalf("expected obj: \n%v\n got obj: \n%v\n", tc.expectedObj, obj)
				}
			}