Cleaning up bestNodeFor: tests

[Ducasse]

The method

getMethodString
	^'toto
		"First comment"
		| temp variables |
		"Second comment"
		assignement := " Third comment " #node.
		"Fourth comment"
		message "Fifth comment", ''node''.
		"Sixth comment" cascade node; nodeux "Seventh comment"; notrois.
		^ "return" nil
		'

should be a valid method. This is not, then in addition it should use english (assignment and not assignement).