assert_equal(0, tc.time_duration(100, 100.1, 100.9)) # 0.8
assert_equal(1, tc.time_duration(100, 100, 101)) # 1
assert_equal(1, tc.time_duration(100, 100.1, 101.9)) # 1.8
- assert_equal(1, tc.time_duration(1, 100, 101)) # 1
+ assert_equal(1, tc.time_duration(1, 100, 101)) # 1
assert_equal(2, tc.time_duration(100, 100.1, 102.9)) # 2.8
assert_equal(2, tc.time_duration(100, 100, 102)) # 2
end