diff --git a/test/components/dragBoxLayerTests.ts b/test/components/dragBoxLayerTests.ts
index ddfabaaff2..354afa70ae 100644
--- a/test/components/dragBoxLayerTests.ts
+++ b/test/components/dragBoxLayerTests.ts
@@ -132,6 +132,34 @@ describe("Interactive Components", () => {
         svg.remove();
       });
 
+      it("can register two onDragStart callbacks on the same component", () => {
+        dbl.renderTo(svg);
+
+        let callbackDragStart1Called = false;
+        let callbackDragStart2Called = false;
+
+        let callbackDragStart1 = () => callbackDragStart1Called = true;
+        let callbackDragStart2 = () => callbackDragStart2Called = true;
+
+        dbl.onDragStart(callbackDragStart1);
+        dbl.onDragStart(callbackDragStart2);
+
+        let target = dbl.background();
+        TestMethods.triggerFakeDragSequence(target, quarterPoint, halfPoint);
+
+        assert.isTrue(callbackDragStart1Called, "the callback 1 for drag start was called");
+        assert.isTrue(callbackDragStart2Called, "the callback 2 for drag start was called");
+
+        dbl.offDragStart(callbackDragStart1);
+        callbackDragStart1Called = false;
+        callbackDragStart2Called = false;
+
+        TestMethods.triggerFakeDragSequence(target, quarterPoint, halfPoint);
+        assert.isFalse(callbackDragStart1Called, "the callback 1 for drag start was disconnected");
+        assert.isTrue(callbackDragStart2Called, "the callback 2 for drag start is still connected");
+        svg.remove();
+      });
+
       it("calls the onDrag callback", () => {
         dbl.renderTo(svg);
 
@@ -158,6 +186,34 @@ describe("Interactive Components", () => {
         svg.remove();
       });
 
+      it("can register two onDrag callbacks on the same component", () => {
+        dbl.renderTo(svg);
+
+        let callbackDrag1Called = false;
+        let callbackDrag2Called = false;
+
+        let callbackDrag1 = () => callbackDrag1Called = true;
+        let callbackDrag2 = () => callbackDrag2Called = true;
+
+        dbl.onDrag(callbackDrag1);
+        dbl.onDrag(callbackDrag2);
+
+        let target = dbl.background();
+        TestMethods.triggerFakeDragSequence(target, quarterPoint, halfPoint);
+
+        assert.isTrue(callbackDrag1Called, "the callback 1 for drag was called");
+        assert.isTrue(callbackDrag2Called, "the callback 2 for drag was called");
+
+        dbl.offDrag(callbackDrag1);
+        callbackDrag1Called = false;
+        callbackDrag2Called = false;
+
+        TestMethods.triggerFakeDragSequence(target, quarterPoint, halfPoint);
+        assert.isFalse(callbackDrag1Called, "the callback 1 for drag was disconnected");
+        assert.isTrue(callbackDrag2Called, "the callback 2 for drag is still connected");
+        svg.remove();
+      });
+
       it("calls the onDragEnd callback", () => {
         dbl.renderTo(svg);
 
@@ -183,31 +239,31 @@ describe("Interactive Components", () => {
         svg.remove();
       });
 
-      it("can register two callbacks for the same event", () => {
+      it("can register two onDragEnd callbacks on the same component", () => {
         dbl.renderTo(svg);
 
-        let callbackDragStart1Called = false;
-        let callbackDragStart2Called = false;
+        let callbackDragEnd1Called = false;
+        let callbackDragEnd2Called = false;
 
-        let callbackDragStart1 = () => callbackDragStart1Called = true;
-        let callbackDragStart2 = () => callbackDragStart2Called = true;
+        let callbackDragEnd1 = () => callbackDragEnd1Called = true;
+        let callbackDragEnd2 = () => callbackDragEnd2Called = true;
 
-        dbl.onDragStart(callbackDragStart1);
-        dbl.onDragStart(callbackDragStart2);
+        dbl.onDragEnd(callbackDragEnd1);
+        dbl.onDragEnd(callbackDragEnd2);
 
         let target = dbl.background();
         TestMethods.triggerFakeDragSequence(target, quarterPoint, halfPoint);
 
-        assert.isTrue(callbackDragStart1Called, "the callback 1 for drag start was called");
-        assert.isTrue(callbackDragStart2Called, "the callback 2 for drag start was called");
+        assert.isTrue(callbackDragEnd1Called, "the callback 1 for drag end was called");
+        assert.isTrue(callbackDragEnd2Called, "the callback 2 for drag end was called");
 
-        dbl.offDragStart(callbackDragStart1);
-        callbackDragStart1Called = false;
-        callbackDragStart2Called = false;
+        dbl.offDragEnd(callbackDragEnd1);
+        callbackDragEnd1Called = false;
+        callbackDragEnd2Called = false;
 
         TestMethods.triggerFakeDragSequence(target, quarterPoint, halfPoint);
-        assert.isFalse(callbackDragStart1Called, "the callback 1 for drag start was disconnected");
-        assert.isTrue(callbackDragStart2Called, "the callback 2 for drag start is still connected");
+        assert.isFalse(callbackDragEnd1Called, "the callback 1 for drag end was disconnected");
+        assert.isTrue(callbackDragEnd2Called, "the callback 2 for drag end is still connected");
         svg.remove();
       });