Restrict fe_enriched_color_07 to only run with PETSc support and real scalar type

diff --git a/tests/fe/fe_enriched_color_07.with_gsl=true.with_mpi=true.mpirun=2.output b/tests/fe/fe_enriched_color_07.with_petsc=true.with_petsc_with_complex=false.with_gsl=true.with_mpi=true.mpirun=2.output
similarity index 100%
rename from tests/fe/fe_enriched_color_07.with_gsl=true.with_mpi=true.mpirun=2.output
rename to tests/fe/fe_enriched_color_07.with_petsc=true.with_petsc_with_complex=false.with_gsl=true.with_mpi=true.mpirun=2.output