Update script [skip ci]

pu.sh

@@ -1,7 +1,10 @@
 #!/bin/bash
 
 # create DB if not exists
-rm -f tests/database/db.sqlite
-touch tests/database/db.sqlite
-php artisan migrate --seed
+
+if [ ! -f tests/database/db.sqlite ]; then
+    touch tests/database/db.sqlite
+    php artisan migrate --seed
+fi
+
 phpunit