fix: typo in a func name in an error code path

Fixes #372

bin/helper/osh-groupCreate

@@ -45,7 +45,7 @@ if (!$group || !$owner) {
     HEXIT('ERR_MISSING_PARAMETER', msg => "Missing argument 'group' or 'owner'");
 }
 if ($no_key && ($algo || $size || $encrypted)) {
-    EXIT('ERR_INVALID_PARAMETER', msg => "Can't specify 'no-key' along with 'algo', 'size' or 'encrypted'");
+    HEXIT('ERR_INVALID_PARAMETER', msg => "Can't specify 'no-key' along with 'algo', 'size' or 'encrypted'");
 }
 if (!$no_key && (!$algo || !$size)) {
     HEXIT('ERR_MISSING_PARAMETER', msg => "Missing argument 'algo' or 'size'");

tests/functional/tests.d/350-groups.sh

@@ -98,6 +98,9 @@ testsuite_groups()
     plgfail a0_fail_create_group_reserved_2 $a0 --osh groupCreate --group keytothegate --no-key --owner $account1
     json .command groupCreate .error_code ERR_INVALID_PARAMETER
 
+    plgfail a0_fail_create_group_invalid_options $a0 --osh groupCreate --group invalid --no-key --algo ed25519 --owner $account1
+    json .command groupCreate .error_code ERR_INVALID_PARAMETER
+
     success a0_create_g1_with_a1_as_owner $a0 --osh groupCreate --group $group1 --algo rsa --size 4096 --owner $account1
     contain "The public key of this group is"
     json $(cat <<EOS