There are no random tests.

Floating point errors in random tests:

0.01: expected [ 643373.7446649586, 45414.6836419454 ] to deeply equal [ 643373.7446649584, 45414.6836419454 ]

assert.deepEqual(calculateFoodForPigs(1.2345e6,5.4321e6,8e6),[1925839.258392584,4563009.6300963005],0.01)

Kata does not make sense physically: the calculated total food for the pigs does not add up to food.

0.01: expected [ Array(2) ] to deeply equal [ Array(2) ]

chai.config.truncateThreshold = 0 is missing.

• 1.3 is not 30% more than 0.7.
• test.deepEqual does not accept approximation as third parameter.
• There is no reason to use outdated version of NodeJS.