qa/1130: deal with arithmetic imprecision from pcp2elasticsearch
qa/1130: deal with arithmetic imprecision from pcp2elasticsearch

For example:
	"speed": 781261.93799999997
instead of the expected
	"speed": 781261.938

adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp