Added boltz install python scripts to import test blacklist.

Author: tomgoddard

tests/test_imports_app.py

@@ -22,6 +22,8 @@
         "chimerax.alphafold.fix_seq_titles",  # Alphafold database processing script.
         "chimerax.atomic.libmolc",  # non-importable dynamic lib
         "chimerax.atomic.md_crds.dcd.MDToolsMarch97.md_tests",  # test code
+        "chimerax.boltz.download_weights_and_ccd", # Boltz install code
+        "chimerax.boltz.make_ccd_atom_counts_file", # Boltz install code
         "chimerax.build_structure.process",  # processes Chimera fragment files
         "chimerax.coulombic.create_data",  # creates data.py
         "chimerax.dicom.scan_dicoms",  # development script