diff --git a/Libraries/Animated/src/AnimatedMock.js b/Libraries/Animated/src/AnimatedMock.js
index a30825351c6..6efcdd1815a 100644
--- a/Libraries/Animated/src/AnimatedMock.js
+++ b/Libraries/Animated/src/AnimatedMock.js
@@ -52,14 +52,28 @@ const spring = function(
   value: AnimatedValue | AnimatedValueXY,
   config: SpringAnimationConfig,
 ): CompositeAnimation {
-  return emptyAnimation;
+  const anyValue: any = value;
+  return {
+    ...emptyAnimation,
+    start: (callback?: ?EndCallback): void => {
+      anyValue.setValue(config.toValue);
+      callback && callback({finished: true});
+    },
+  };
 };
 
 const timing = function(
   value: AnimatedValue | AnimatedValueXY,
   config: TimingAnimationConfig,
 ): CompositeAnimation {
-  return emptyAnimation;
+  const anyValue: any = value;
+  return {
+    ...emptyAnimation,
+    start: (callback?: ?EndCallback): void => {
+      anyValue.setValue(config.toValue);
+      callback && callback({finished: true});
+    },
+  };
 };
 
 const decay = function(