Updated Drupal to 8.6. This goes with the following updates because it's possible...

[yaffs-website] / vendor / drupal-composer / drupal-scaffold / .scenarios.lock / phpunit4 / tests

diff --git a/vendor/drupal-composer/drupal-scaffold/.scenarios.lock/phpunit4/tests b/vendor/drupal-composer/drupal-scaffold/.scenarios.lock/phpunit4/tests
new file mode 120000 (symlink)
index 0000000..c2ebfe5
--- /dev/null
+++ b/vendor/drupal-composer/drupal-scaffold/.scenarios.lock/phpunit4/tests
@@ -0,0 +1 @@
+../../tests
\ No newline at end of file