git-svn-id: https://geuz.org/svn/gmsh/trunk@20094 59c8cabf-10d6-4a28-b43f-3936b85956c4
better test


git-svn-id: https://geuz.org/svn/gmsh/trunk@20095 59c8cabf-10d6-4a28-b43f-3936b85956c4
fix msg


git-svn-id: https://geuz.org/svn/gmsh/trunk@20096 59c8cabf-10d6-4a28-b43f-3936b85956c4