Search related ITs fix.

These tests were originally not ordering dependent,
but later one method was added to them, making the
test ordering dependent. Assuring that one
method is executed last, as before.
Some copy paste (in past) made this IT order dep

Removing offending lines.
Fixed IT Nexus502MavenExecutionIT

It seems this whole IT was written in a way
to have each method depend on previous
execution.
Redone fix for Nexus502MavenExecutionIT

Squashed all methods into one, instead of using
the ordering fix.