diff --git a/tests/test_BioLogic.py b/tests/test_BioLogic.py
index a739f5f..3eeef1e 100644
--- a/tests/test_BioLogic.py
+++ b/tests/test_BioLogic.py
@@ -186,6 +186,7 @@ def assert_field_exact(fieldname):
     # bio_logic5 and bio_logic6 are special cases
     'CV_C01',
     '121_CA_455nm_6V_30min_C01',
+    '020-formation_CB5',
 ])
 def test_MPR_matches_MPT(testdata_dir, basename):
     """Check the MPR parser against the MPT parser.
diff --git a/tests/testdata/020-formation_CB5.mpr b/tests/testdata/020-formation_CB5.mpr
new file mode 100644
index 0000000..84528ea
--- /dev/null
+++ b/tests/testdata/020-formation_CB5.mpr
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:586836288e1144454c277ecd6adfc384bfe1614ed141900c5f004b26a8b54d64
+size 157216
diff --git a/tests/testdata/020-formation_CB5.mpr.license b/tests/testdata/020-formation_CB5.mpr.license
new file mode 100644
index 0000000..148639d
--- /dev/null
+++ b/tests/testdata/020-formation_CB5.mpr.license
@@ -0,0 +1,2 @@
+SPDX-FileCopyrightText Chihyu Chen <chihyu.chen@molicel.com>
+SPDX-License-Identifier CC-BY-4.0
diff --git a/tests/testdata/020-formation_CB5.mpt b/tests/testdata/020-formation_CB5.mpt
new file mode 100644
index 0000000..88bfdaf
--- /dev/null
+++ b/tests/testdata/020-formation_CB5.mpt
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c323f95a3f5f1465d07ef8654a86df1de65e3a5dc3af11e7fb27d187f2ffe43e
+size 681331
diff --git a/tests/testdata/020-formation_CB5.mpt.license b/tests/testdata/020-formation_CB5.mpt.license
new file mode 100644
index 0000000..148639d
--- /dev/null
+++ b/tests/testdata/020-formation_CB5.mpt.license
@@ -0,0 +1,2 @@
+SPDX-FileCopyrightText Chihyu Chen <chihyu.chen@molicel.com>
+SPDX-License-Identifier CC-BY-4.0