Fix missing var declarations

These files were converted from CoffeeScript and 'use strict'
was never added.

h/static/scripts/test/auth-test.js

@@ -38,21 +38,21 @@ describe('h', function () {
     var identity = 'fake-identity';
     fakeJwtHelper.isTokenExpired.withArgs(identity).returns(false);
     fakeJwtHelper.decodeToken.withArgs(identity).returns({sub: 'pandora'});
-    userid = auth.userid(identity);
+    var userid = auth.userid(identity);
     assert.equal(userid, 'pandora');
   });
 
   it('returns null for an expired jwt', function () {
     var identity = 'fake-identity';
     fakeJwtHelper.isTokenExpired.withArgs(identity).returns(true);
-    userid = auth.userid(identity);
+    var userid = auth.userid(identity);
     assert.isNull(userid);
   });
 
   it('returns null for an invalid jwt', function () {
     var identity = 'fake-identity';
     fakeJwtHelper.decodeToken.withArgs(identity).throws('Error');
-    userid = auth.userid(identity);
+    var userid = auth.userid(identity);
     assert.isNull(userid);
   });
 });

h/static/scripts/test/streamer-test.js

@@ -33,9 +33,11 @@ inherits(FakeSocket, EventEmitter);
 describe('streamer', function () {
   var fakeAnnotationMapper;
   var fakeGroups;
+  var fakeRootScope;
   var fakeSession;
   var fakeSettings;
   var activeStreamer;
+  var streamer;
 
   function createDefaultStreamer() {
     activeStreamer = streamer.connect(