  NiceMock<Runtime::MockRandomGenerator> random;
  ON_CALL(random, random()).WillByDefault(Return(27));

  JitteredBackOffStrategy jittered_back_off(25, 30, random);
  EXPECT_EQ(2, jittered_back_off.nextBackOffMs());
  EXPECT_EQ(27, jittered_back_off.nextBackOffMs());
