template.sendBodyAndHeader("file:target/concurrent", sb.toString(), Exchange.FILE_NAME, "input.txt");
// start route
MockEndpoint mock = getMockEndpoint("mock:result");
mock.expectedMessageCount(size);
mock.expectsNoDuplicates(body());
mock.setResultWaitTime(30000);
context.startRoute("foo");
assertMockEndpointsSatisfied();