From ae4be91cac1bc5036689bdcc84669b3ec16a25c0 Mon Sep 17 00:00:00 2001
From: Spencer Ahrens <sahrens@fb.com>
Date: Fri, 28 Sep 2018 09:03:50 -0700
Subject: [PATCH] fix broken animation tests

Summary: UIAnimationDragCoefficient is 10.0 in tests for some reason, but we need it to be 1.0 for our tests.

Reviewed By: PeteTheHeat

Differential Revision: D10096375

fbshipit-source-id: 9acd042a3d87a9c6a253745fe48145f0442f6567
---
 Libraries/NativeAnimation/RCTAnimationUtils.m | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Libraries/NativeAnimation/RCTAnimationUtils.m b/Libraries/NativeAnimation/RCTAnimationUtils.m
index 7ffb4690d21..bd4b2c33e24 100644
--- a/Libraries/NativeAnimation/RCTAnimationUtils.m
+++ b/Libraries/NativeAnimation/RCTAnimationUtils.m
@@ -102,7 +102,13 @@ float UIAnimationDragCoefficient(void);
 CGFloat RCTAnimationDragCoefficient()
 {
 #if TARGET_IPHONE_SIMULATOR
-  return (CGFloat)UIAnimationDragCoefficient();
+  if (NSClassFromString(@"XCTest") != nil) {
+    // UIAnimationDragCoefficient is 10.0 in tests for some reason, but
+    // we need it to be 1.0. Fixes T34233294
+    return 1.0;
+  } else {
+    return (CGFloat)UIAnimationDragCoefficient();
+  }
 #else
   return 1.0;
 #endif