try {
SwiftApi api = api(server.getUrl("/").toString(), "openstack-swift");
assertTrue(api.containerApiInRegion("DFW").deleteMetadata("myContainer", metadata));
assertEquals(server.getRequestCount(), 2);
assertEquals(server.takeRequest().getRequestLine(), "POST /tokens HTTP/1.1");
RecordedRequest deleteRequest = server.takeRequest();
assertEquals(deleteRequest.getRequestLine(),
"POST /v1/MossoCloudFS_5bcf396e-39dd-45ff-93a1-712b9aba90a9/myContainer HTTP/1.1");
for (String key : metadata.keySet()) {
assertEquals(deleteRequest.getHeader("x-remove-container-meta-" + key.toLowerCase()), "ignored");