added simplest failing test
made simplest test pass
added throws declaration to test
named parameter of FizzBuzz.evaluate
added test for number 1
ref test, added setUp fucntion
added Fizz test
added isFizz method, refactored other numbers to use Integer.toString
handled number 0 case to return '0', to handle modulo
added multiple of three test
fixed test name
added number 5 test
added multiple of 5 test