UNIT TEST: test_getCombinedData
AAPL	AAPL   historical   historical   data   data
DOW	DOW   historical   historical   data   data

Benchmark: Yahoo getCombinedData =1.0036

getCombinedData: Benchmarks
Seek/Request	1.0011
XML-Object	0.0001
Object-Array	0.0006
CacheUpdate	0.0018
Re-Sort	0.0000
Reduction	0.0000
Total	1.0036