Revert "Use less extreme values for min and max timedelta in tests"

Tests failed because of the double conversion fixes in the previous
commit, so we can remove this hack now.

This reverts commit 1084381.

Signed-off-by: Leandro Lucarella <[email protected]>

Author: llucax

tests/test_timer.py

@@ -27,12 +27,19 @@ def event_loop_policy() -> async_solipsism.EventLoopPolicy:
     return async_solipsism.EventLoopPolicy()
 
 
-# We give some extra room (dividing by 10) to the max and min to avoid flaky errors
-# failing when getting too close to the limits, as these are not realistic scenarios and
-# weird things can happen.
-_max_timedelta_microseconds = int(timedelta.max.total_seconds() * 1_000_000 / 10)
+_max_timedelta_microseconds = (
+    int(
+        timedelta.max.total_seconds() * 1_000_000,
+    )
+    - 1
+)
 
-_min_timedelta_microseconds = int(timedelta.min.total_seconds() * 1_000_000 / 10)
+_min_timedelta_microseconds = (
+    int(
+        timedelta.min.total_seconds() * 1_000_000,
+    )
+    + 1
+)
 
 _calculate_next_tick_time_args = {
     "now": st.integers(),