diff --git a/test/spec/renderer/background_source.js b/test/spec/renderer/background_source.js
index f091734fa..538df919f 100644
--- a/test/spec/renderer/background_source.js
+++ b/test/spec/renderer/background_source.js
@@ -1,27 +1,27 @@
 describe('iD.BackgroundSource', function() {
     it('does not error with blank template', function() {
         var source = iD.BackgroundSource({ template: '' });
-        expect(source([0,1,2])).to.equal('');
+        expect(source.url([0,1,2])).to.equal('');
     });
 
     it('generates a tile-generating source', function() {
         var source = iD.BackgroundSource({ template: '{z}/{x}/{y}' });
-        expect(source([0,1,2])).to.equal('2/0/1');
+        expect(source.url([0,1,2])).to.equal('2/0/1');
     });
 
     it('supports subdomains', function() {
         var source = iD.BackgroundSource({ template: '{t}/{z}/{x}/{y}', subdomains: ['apples', 'oranges'] });
-        expect(source([0,1,2])).to.equal('oranges/2/0/1');
+        expect(source.url([0,1,2])).to.equal('oranges/2/0/1');
     });
 
     it('distributes requests between subdomains', function() {
         var source = iD.BackgroundSource({ template: '{t}/{z}/{x}/{y}', subdomains: ['apples', 'oranges'] });
-        expect(source([0,1,1])).to.equal('oranges/1/0/1');
-        expect(source([0,2,1])).to.equal('apples/1/0/2');
+        expect(source.url([0,1,1])).to.equal('oranges/1/0/1');
+        expect(source.url([0,2,1])).to.equal('apples/1/0/2');
     });
 
     it('supports josm style templates', function() {
         var source = iD.BackgroundSource({ template: '{switch:foo,bar}/{zoom}/{x}/{y}' });
-        expect(source([0,1,1])).to.equal('bar/1/0/1');
+        expect(source.url([0,1,1])).to.equal('bar/1/0/1');
     });
 });
diff --git a/test/spec/renderer/tile_layer.js b/test/spec/renderer/tile_layer.js
index 9541d468a..69b514f16 100644
--- a/test/spec/renderer/tile_layer.js
+++ b/test/spec/renderer/tile_layer.js
@@ -4,7 +4,6 @@ describe('iD.TileLayer', function() {
     beforeEach(function() {
         d = d3.select(document.createElement('div'));
         c = iD.TileLayer().projection(d3.geo.mercator());
-        d.call(c);
     });
 
     afterEach(function() {