public GemFireSource gemFireSource(String region) {
		return new GemFireSource(region).host(xdEnvironment.getGemfireHost()).port(xdEnvironment.getGemfirePort());
	}
Constructs a new {@link org.springframework.xd.test.fixtures.GemFireSource}.

@param region the name of the region bound to this source
@return a new instance of {@link org.springframework.xd.test.fixtures.GemFireSource}.
spring-xd-integration-test/src/main/java/org/springframework/xd/integration/fixtures/Sources.java