Fix fpe build on scoop.

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@18420 b5f69653-2bf5-0310-8201-b0dafb8e1405
Ignore some of the spurious coverage issues on scoop.

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@18421 b5f69653-2bf5-0310-8201-b0dafb8e1405