Only run test in debug mode.

git-svn-id: https://svn.dealii.org/branches/branch_port_the_testsuite@30911 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/tests/bits/sparse_matrix_add_entries_01.output b/tests/bits/sparse_matrix_add_entries_01.debug.output
similarity index 100%
rename from tests/bits/sparse_matrix_add_entries_01.output
rename to tests/bits/sparse_matrix_add_entries_01.debug.output