Merge pull request #1817 from WhisperSystems/mkirk/fix-tests

fix tests / CI

.gitmodules

@@ -1,3 +1,3 @@
 [submodule "Carthage"]
 	path = Carthage
-	url = git@github.com:WhisperSystems/Signal-Carthage.git
+	url = https://github.com/WhisperSystems/Signal-Carthage.git

Signal/test/call/PeerConnectionClientTest.swift

@@ -55,7 +55,7 @@ class PeerConnectionClientTest: XCTestCase {
 
         let iceServers = [RTCIceServer]()
         clientDelegate = FakePeerConnectionClientDelegate()
-        client = PeerConnectionClient(iceServers: iceServers, delegate: clientDelegate, callDirection: .outgoing)
+        client = PeerConnectionClient(iceServers: iceServers, delegate: clientDelegate, callDirection: .outgoing, useTurnOnly: false)
         peerConnection = client.peerConnectionForTests()
         dataChannel = client.dataChannelForTests()
     }