@Test(description = "Handle request with without device type",
        dependsOnMethods = "testHandleRequestWithEmptyTransportHeader")
public void testHandleRequestWithoutDeviceType() throws Exception {

    HashMap<String, String> transportHeaders = new HashMap<>();
    transportHeaders.put(AuthConstants.MDM_SIGNATURE, "some cert");
    boolean response = this.handler.handleRequest(createSynapseMessageContext("<empty/>", this.synapseConfiguration,
            transportHeaders, "https://test.com/testservice"));
    Assert.assertFalse(response);
}