WrongKeyDuplicated

If there are several rows with the same key as the one that's wrong, it's treated as a replacement as well.

Here the expected "|two|3|" was actually "|two|2|":
fitLib.FixtureFixture
fixturefitLib.specify.RowFixtureUnderTest
sa
wtwo3
rrtwo1
rrone1
Iwtwo surplus2