### Question:
ContainerDocumentHolder { public ContainerDocument getContainerDocument(final String entityName) { return containerDocumentMap.get(entityName); } ContainerDocumentHolder();  ContainerDocumentHolder(final Map<String, ContainerDocument> containerDocumentMap); ContainerDocument getContainerDocument(final String entityName); boolean isContainerDocument(final String entityName);  }### Answer:
@Test public void testGetContainerDocument() { final Map<String, ContainerDocument> testContainer = createContainerMap(); testHolder = new ContainerDocumentHolder(testContainer); assertEquals(testContainer.get("test"), testHolder.getContainerDocument("test")); }