BSHL function is called instead of BSHR

[palatinb]

Short description	BSHL function is called instead of BSHR
Expected operation	BSHR function should be called when we call the BSHR operator
Experienced operation	BSHL function is called
Reproductive steps	After running the BSHR operation it can be reproduced the error
Error location	test-automation-engineer-python-junior/icalc.py Line 59 in 865c772 print(self.cal.bshl(*parse(arg)))
Test result	Not OK
Priority	High