Bug 1070006 - [calendar] unit test change chai.assert api in the new version

test_agent used very old version chai library version=0.5.3
in the current version=1.9.1 same api chenged 

1. assert.length -> assert.lengthOf
2. assert.deepEqual(arguments, [x,x, ... ]) -> assert.deepEqual(Array.slice(arguments))
3. assert.include - only for string and Array - fail for other