diff --git a/testsuite/MDAnalysisTests/datafiles.py b/testsuite/MDAnalysisTests/datafiles.py
index ef0bea4036a..ae39309d7e2 100644
--- a/testsuite/MDAnalysisTests/datafiles.py
+++ b/testsuite/MDAnalysisTests/datafiles.py
@@ -254,6 +254,8 @@
     "SURFACE_PDB",  # 111 FCC lattice topology for NSGrid bug #2345
     "SURFACE_TRR",  # full precision coordinates for NSGrid bug #2345
     "DSSP",  # DSSP test suite
+    "GLYCAM", # PDB file with GLYCAM sugars
+    "SUGAR_PDB", # PDB file with PDB abbreviation sugars
 ]
 
 from importlib import resources
@@ -671,5 +673,8 @@
 # DSSP testing: from https://github.com/ShintaroMinami/PyDSSP
 DSSP = (_data_ref / 'dssp').as_posix()
 
+GLYCAM = (_data_ref / 'GLYCAM_sugars.pdb').as_posix()
+SUGAR_PDB = (_data_ref / '6kya.pdb').as_posix()
+
 # This should be the last line: clean up namespace
 del resources