Fix unrelated test failing

Author: nirmitparikh8

test/helpers/time_helper.rb

@@ -6,7 +6,9 @@ def time_travel(val)
     now_timestamp = Time.now
 
     new_monotonic = now_monotonic + val
+    # Support both old and new signatures for Process.clock_gettime
     Process.stubs(:clock_gettime).with(Process::CLOCK_MONOTONIC).returns(new_monotonic)
+    Process.stubs(:clock_gettime).with(Process::CLOCK_MONOTONIC, :float_millisecond).returns(new_monotonic * 1000)
 
     new_timestamp = now_timestamp + val
     Time.stubs(:now).returns(new_timestamp)