StreamNode parse(String streamDefinition) {
		StreamNode streamNode = getParser().parse(streamDefinition);
		if (streamNode.getStreamName() != null) {
			testRepository.save(new StreamDefinition(streamNode.getStreamName(), streamNode.getStreamData()));
		}
		return streamNode;
	}
Parse streams and verify either the correct abstract syntax tree is produced or the current exception comes out.

@author Andy Clement
@author David Turanski
spring-xd-dirt/src/test/java/org/springframework/xd/dirt/stream/dsl/StreamConfigParserTests.java