time_util_unittest: remove sleep test for monotonic_raw

Monotonic raw clocks do not promise anything w.r.t. the real time. This
makes checking whether |X| seconds has passed after sleeping |X| seconds
infeasible as a sanity check.

In this CL, we remove the offending test.

Bug: 289894845
Tag: #floss
Test: atest bluetooth_test_common:bluetooth_test_common64.TimeTest#test_time_get_os_monotonic_raw_us_increases_lower_bound -- --abi x86_64
Change-Id: I1fe9efd86f2a18f2178d55e2a757a6fa45f51f7f

1 files changed, 0 insertions, 22 deletions

diff --git a/system/common/time_util_unittest.cc b/system/common/time_util_unittest.cc
index eb21aee5ad..848ef06746 100644
--- a/system/common/time_util_unittest.cc
+++ b/system/common/time_util_unittest.cc
@@ -125,28 +125,6 @@ TEST(TimeTest, test_time_get_os_boottime_us_increases_lower_bound) {
 }
 
 //
-// Test that the return value of
-// bluetooth::common::time_get_os_monotonic_raw_us() is increasing.
-//
-TEST(TimeTest, test_time_get_os_monotonic_raw_us_increases_lower_bound) {
-  static const uint64_t TEST_TIME_SLEEP_US = 100 * 1000;
-  struct timespec delay = {};
-
-  delay.tv_sec = TEST_TIME_SLEEP_US / (1000 * 1000);
-  delay.tv_nsec = 1000 * (TEST_TIME_SLEEP_US % (1000 * 1000));
-
-  // Take two timestamps with sleep in-between
-  uint64_t t1 = bluetooth::common::time_get_os_monotonic_raw_us();
-  int err = nanosleep(&delay, &delay);
-  uint64_t t2 = bluetooth::common::time_get_os_monotonic_raw_us();
-
-  ASSERT_EQ(err, 0);
-  ASSERT_GT(t2, t1);
-  ASSERT_TRUE((t2 - t1) >= TEST_TIME_SLEEP_US);
-  ASSERT_TRUE((t2 - t1) < TEST_TIME_DELTA_UPPER_BOUND_MS * 1000);
-}
-
-//
 // Test that the return value of bluetooth::common::time_gettimeofday_us() is
 // not zero.
 //