DebugFeats and TestingFeats percentageLoad is /10

[danieleTrimarchi]

In the following code, the %load of a Feature is defined on a % basis => 80%
Debug and Testing feats are on the other hand defined on a fractional basis : 7.5

Harmonise

	# https://iconeus.tuleap.cloud/plugins/tracker/?aid=4030
	icoStudio240.addFeat(
		Feature(featName="installerChanges",
 				totalEffort=1, 
				remainingEffort=1,  
				assignee=selene,
				percentageLoad=80,
				startDate=selene.getEndDateForLatestAssignedFeat())
	)
	
	icoStudio240.addFeat(
		TestingFeature(
			version=icoStudio240,
			assignee=selene,
			percentageLoad=7.5,
			timespan=timedelta(days=15))
	)