@Test
public void testhasExpression() throws Exception {

	SdtElement element = createPlainTextContentControl(SdtBlock.class);
	Tag tag = new Tag();
	tag.setVal("tag");
	element.getSdtPr().setTag(tag);
	PlainTextContent plainTextContent = new PlainTextContent(element);
	assertTrue(plainTextContent.hasExpression());
}