Increase timeout to a length that is unlikely to trigger

Summary: one_ms is short enough that it can trigger under testing. Increase to make less likely to fail spuriously.

Reviewed By: yfeldblum

Differential Revision: D17190402

fbshipit-source-id: 091cd3ee8f3da224e39ba95c403e233115a80510

folly/futures/test/TimekeeperTest.cpp

@@ -446,7 +446,10 @@ TEST(Timekeeper, executor) {
 
   Promise<Unit> p;
   ExecutorTester tester;
-  auto f = p.getFuture().via(&tester).within(one_ms).thenValue([&](auto&&) {});
+  auto f = p.getFuture()
+               .via(&tester)
+               .within(milliseconds(100))
+               .thenValue([&](auto&&) {});
   p.setValue();
   f.wait();
   EXPECT_EQ(2, tester.count);