Test for removing with animation

spec/suites/RemoveLayerSpec.js

@@ -1,6 +1,7 @@
 describe('removeLayer', function () {
-	var map, div;
+	var map, div, clock;
 	beforeEach(function () {
+		clock = sinon.useFakeTimers();
 		div = document.createElement('div');
 		div.style.width = '200px';
 		div.style.height = '200px';
@@ -14,6 +15,7 @@
 		]));
 	});
 	afterEach(function () {
+		clock.restore();
 		document.body.removeChild(div);
 	});
 
@@ -98,4 +100,29 @@
 		expect(marker._icon).to.be(null);
 		expect(marker2._icon.parentNode).to.be(map._panes.markerPane);
 	});
+
+	it('removes a layer (with animation) that was added to it (after being on the map) that is shown in a cluster', function () {
+
+		var group = new L.MarkerClusterGroup({ animateAddingMarkers: true });
+		var marker = new L.Marker([1.5, 1.5]);
+		var marker2 = new L.Marker([1.5, 1.5]);
+
+		map.addLayer(group);
+		group.addLayer(marker);
+		group.addLayer(marker2);
+
+		//Run the the animation
+		clock.tick(1000);
+
+		expect(marker._icon).to.be(null);
+		expect(marker2._icon).to.be(null);
+
+		group.removeLayer(marker);
+
+		//Run the the animation
+		clock.tick(1000);
+
+		expect(marker._icon).to.be(null);
+		expect(marker2._icon.parentNode).to.be(map._panes.markerPane);
+	});
 });