private boolean verifyAdminConnection(final URL host)
			throws ResourceAccessException {
		boolean result = true;
		try {
			restTemplate.getForObject(host.toString(), String.class);
		}
		catch (ResourceAccessException rae) {
			LOGGER.error("XD Admin Server is not available at "
					+ host.getHost());
			result = false;
		}
		return result;
	}
Asserts that the expected number (or greater than or equal to the expected number) of messages were processed by
the modules in the stream. Also asserts that no errors occurred.

@param modules The list of modules to evaluate.
@param msgCountExpected The expected count
@param greaterThanOrEqualTo true if should use greaterThanOrEqualToComparison
spring-xd-integration-test/src/main/java/org/springframework/xd/integration/util/XdEc2Validation.java