### Question:
BaseMigdalorHeader implements MigdalorHeader<String> { public byte[] getRevisionLengthInBytes() { return revisionLengthInBytes; } BaseMigdalorHeader(String schemaRevision); byte[] getSchemaVersion(); byte[] getRevisionLengthInBytes(); @Override String getSchemaRevision(); @Override boolean equals(Object o); @Override int hashCode();  }### Answer:
@Test public void testGetRevisionLengthInBytes() throws Exception { Assert.assertArrayEquals(ByteBuffer.allocate(4).putInt(1).array(),basemigdalorHeader.getRevisionLengthInBytes()); }