public final Module getModule(String streamName, String moduleName, int index) {
		Map<Integer, Module> modules = getDeployedModules().get(streamName);
		return (modules != null) ? modules.get(index) : null;
	}
Get a deployed module instance.
@param streamName the stream name
@param moduleName the module name
@param index the index of the module in the stream, ordered left to right starting with 0.
@return the module
spring-xd-dirt/src/main/java/org/springframework/xd/dirt/test/SingleNodeIntegrationTestSupport.java