diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 9beee25a..649dc3d7 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -49,7 +49,7 @@ jobs:
 
       - id: setmatrix
         run: |
-          set stringified_matrix (tox -l | sed -e '/unit/d' -e '/get_urls/d' -e '/doc/d' -e '/lint/d' -e '/fips/d'  | jo -a)
+          set stringified_matrix (tox -l | sed -e '/unit/d' -e '/get_urls/d' -e '/doc/d' -e '/lint/d' -e '/fips/d' -e '/ai/d' | jo -a)
 
           set users_envs (echo $PR_BODY | awk -F' ' '/^\[CI:TOXENVS\]/ { print $2 }')
           if [ -n "$users_envs" ]
diff --git a/tests/test_unit.py b/tests/test_unit.py
index f4c6feb8..5162df13 100644
--- a/tests/test_unit.py
+++ b/tests/test_unit.py
@@ -7,24 +7,41 @@
 
 
 def test_host_fips_supported(tmp_path):
+    """Check that ``host_fips_supported`` correctly returns True if the fips
+    file exists.
+
+    """
     fipsfile = tmp_path / "fips"
     fipsfile.write_text("")
     assert host_fips_supported(f"{fipsfile}")
 
 
 def test_host_fips_enabled(tmp_path):
+    """Check that ``host_fips_enabled`` correctly returns True if the fips file
+    contains a 1.
+
+    """
     fipsfile = tmp_path / "fips"
     fipsfile.write_text("1")
     assert host_fips_enabled(f"{fipsfile}")
 
 
 def test_host_fips_disabled(tmp_path):
+    """Check that ``host_fips_enabled`` correctly returns False if the fips file
+    contains nothing.
+
+    """
     fipsfile = tmp_path / "fips"
     fipsfile.write_text("")
     assert not host_fips_enabled(f"{fipsfile}")
 
 
 def test_repository_from_xml():
+    """Test that ``get_repos_from_zypper_xmlout`` correctly identifies the
+    SLE_BCI and the microsoft .Net repository from a saved output of
+    ``zypper -x repos``.
+
+    """
     repos = get_repos_from_zypper_xmlout(
         """<?xml version='1.0'?>
 <stream>
@@ -69,16 +86,28 @@ def test_repository_from_xml():
 
 
 def test_selinux_disabled(tmp_path: Path) -> None:
+    """Validate that ``selinux_status`` reports ``disabled`` if the sysfs
+    directory is empty.
+
+    """
     assert selinux_status(str(tmp_path)) == "disabled"
 
 
 def test_selinux_enforcing(tmp_path: Path) -> None:
+    """Check that ``selinux_status`` returns ``enforcing`` when there's a file
+    :file:`enforce` in the sysfs directory and it contains a ``1``.
+
+    """
     (tmp_path / "enforce").touch()
     (tmp_path / "enforce").write_text("1\n")
     assert selinux_status(str(tmp_path)) == "enforcing"
 
 
 def test_selinux_permissive(tmp_path: Path) -> None:
+    """Check that ``selinux_status`` returns ``permissive`` when there's a file
+    :file:`enforce` in the sysfs directory and it contains a ``0``.
+
+    """
     (tmp_path / "enforce").touch()
     (tmp_path / "enforce").write_text("0\n")
     assert selinux_status(str(tmp_path)) == "permissive"