diff --git a/tests/split_groups/05_useradd_split_group_already_split_passwd_differ/data/useradd.err b/tests/split_groups/05_useradd_split_group_already_split_passwd_differ/data/useradd.err
index c9a6e546..050950f9 100644
--- a/tests/split_groups/05_useradd_split_group_already_split_passwd_differ/data/useradd.err
+++ b/tests/split_groups/05_useradd_split_group_already_split_passwd_differ/data/useradd.err
@@ -1,2 +1,2 @@
 Multiple entries named 'foo' in /etc/group. Please fix this with pwck or grpck.
-useradd: error adding new group entry
+useradd: failed to prepare the new /etc/group entry 'foo'
diff --git a/tests/split_groups/06_useradd_split_group_already_split_GID_differ/data/useradd.err b/tests/split_groups/06_useradd_split_group_already_split_GID_differ/data/useradd.err
index c9a6e546..050950f9 100644
--- a/tests/split_groups/06_useradd_split_group_already_split_GID_differ/data/useradd.err
+++ b/tests/split_groups/06_useradd_split_group_already_split_GID_differ/data/useradd.err
@@ -1,2 +1,2 @@
 Multiple entries named 'foo' in /etc/group. Please fix this with pwck or grpck.
-useradd: error adding new group entry
+useradd: failed to prepare the new /etc/group entry 'foo'
diff --git a/tests/split_groups/08_useradd_no_split_group_already_split/data/useradd.err b/tests/split_groups/08_useradd_no_split_group_already_split/data/useradd.err
index c9a6e546..050950f9 100644
--- a/tests/split_groups/08_useradd_no_split_group_already_split/data/useradd.err
+++ b/tests/split_groups/08_useradd_no_split_group_already_split/data/useradd.err
@@ -1,2 +1,2 @@
 Multiple entries named 'foo' in /etc/group. Please fix this with pwck or grpck.
-useradd: error adding new group entry
+useradd: failed to prepare the new /etc/group entry 'foo'
diff --git a/tests/split_groups/10_groupdel_no_split_group_already_split/data/groupdel.err b/tests/split_groups/10_groupdel_no_split_group_already_split/data/groupdel.err
index 90ec8141..7bd0741e 100644
--- a/tests/split_groups/10_groupdel_no_split_group_already_split/data/groupdel.err
+++ b/tests/split_groups/10_groupdel_no_split_group_already_split/data/groupdel.err
@@ -1,2 +1,2 @@
 Multiple entries named 'foo' in /etc/group. Please fix this with pwck or grpck.
-groupdel: error removing group entry
+groupdel: cannot remove entry 'foo' from /etc/group