@Test
  public void deserializeBlobOfMapReturnsCopyOfMap() throws Exception {
    final Object object = deserializeBlob(bytesOfMap);

    assertThat(object).isNotNull();
    assertThat(object).isExactlyInstanceOf(HashMap.class);
    assertThat(object).isNotSameAs(mapWithTwoEntries);
    assertThat(object).isEqualTo(mapWithTwoEntries);
  }
Unit Tests for {@link BlobHelper}.

TODO: add coverage for additional methods:
<li>{@link BlobHelper#deserializeBlob(byte[], KnownVersion, ByteArrayDataInput)}
<li>{@link BlobHelper#deserializeBuffer(ByteArrayDataInput, int)}
<li>{@link BlobHelper#deserializeOffHeapBlob(StoredObject)}
<li>{@link BlobHelper#serializeToBlob(Object, KnownVersion)}
geode-core/src/test/java/org/apache/geode/internal/util/BlobHelperTest.java