add tests

Author: BryanZWu

test/xml.json

@@ -1,4 +1,8 @@
 {
+  "application": "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?><ApplicationProvisioningResponse><Application><ApplicationId>1</ApplicationId><ServiceType>Messaging-V2</ServiceType><AppName>Test Application</AppName><MsgCallbackUrl>http://a.com</MsgCallbackUrl></Application></ApplicationProvisioningResponse>",
+  "voiceApplication": "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?><ApplicationProvisioningResponse><Application><ApplicationId>2</ApplicationId><AppName>Test Application 2</AppName><ServiceType>Voice-V2</ServiceType><CallInitiatedCallbackUrl>http://b.com</CallInitiatedCallbackUrl></Application></ApplicationProvisioningResponse>",
+  "applications": "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?><ApplicationProvisioningResponse><ApplicationList><Application><ApplicationId>1</ApplicationId><ServiceType>Messaging-V2</ServiceType><AppName>Test Application</AppName><MsgCallbackUrl>http://a.com</MsgCallbackUrl></Application><Application><ApplicationId>2</ApplicationId><AppName>Test Application 2</AppName><ServiceType>Voice-V2</ServiceType><CallInitiatedCallbackUrl>http://b.com</CallInitiatedCallbackUrl></Application></ApplicationList></ApplicationProvisioningResponse>",
+  "applicationSipPeers": "<AssociatedSipPeersResponse><AssociatedSipPeers><AssociatedSipPeer><SiteId>1</SiteId><SiteName>Site Name</SiteName><PeerId>2</PeerId><PeerName>Peer Name</PeerName></AssociatedSipPeer></AssociatedSipPeers></AssociatedSipPeersResponse>",
   "sites": "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?><SitesResponse><Sites><Site><Id>1</Id><Name>Test Site</Name><Description>A site description</Description></Site><Site><Id>2</Id><Name>Test Site 2</Name><Description>A site description</Description></Site></Sites></SitesResponse>",
   "site": "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?><SiteResponse><Site><Id>1</Id><Name>Test Site</Name><Description>A Site Description</Description><Address><HouseNumber>900</HouseNumber><StreetName>Main Campus Drive</StreetName><City>Raleigh</City><StateCode>NC</StateCode><Zip>27615</Zip><Country>United States</Country><AddressType>Service</AddressType></Address></Site></SiteResponse>",
   "sipPeers": "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?><TNSipPeersResponse><SipPeers><SipPeer xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xsi:type=\"SipPeer\"><PeerId>12345</PeerId><PeerName>SIP Peer 1</PeerName><Description>Sip Peer 1 description</Description><IsDefaultPeer>true</IsDefaultPeer><ShortMessagingProtocol>SIP</ShortMessagingProtocol><VoiceHosts><Host><HostName>70.62.112.156</HostName></Host></VoiceHosts><VoiceHostGroups/><SmsHosts><Host><HostName>70.62.112.156</HostName></Host></SmsHosts><TerminationHosts><TerminationHost><HostName>70.62.112.156</HostName><Port>5060</Port><CustomerTrafficAllowed>DOMESTIC</CustomerTrafficAllowed><DataAllowed>true</DataAllowed></TerminationHost></TerminationHosts><CallingName><Display>true</Display><Enforced>false</Enforced></CallingName></SipPeer></SipPeers></TNSipPeersResponse>",