Create user the same way as privileges

Author: schlessera

bin/install-package-tests

@@ -44,7 +44,7 @@ fi
 # Prepare the database for running the tests with a MySQL version 8.0 or higher.
 install_db_8_0_plus() {
 	mysql -e "CREATE DATABASE IF NOT EXISTS \`wp_cli_test\`;" $HOST_STRING -u"$USER" "$PASSWORD_STRING"
-	mysql -e "CREATE USER IF NOT EXISTS \`wp_cli_test\`@$HOST IDENTIFIED BY '$TEST_PASSWORD'" $HOST_STRING -u"$USER" "$PASSWORD_STRING"
+	mysql -e "CREATE USER IF NOT EXISTS \`wp_cli_test\`@'%' IDENTIFIED BY '$TEST_PASSWORD'" $HOST_STRING -u"$USER" "$PASSWORD_STRING"
 	mysql -e "GRANT ALL PRIVILEGES ON \`wp_cli_test\`.* TO '$TEST_USER'@'%'" $HOST_STRING -u"$USER" "$PASSWORD_STRING"
 	mysql -e "GRANT ALL PRIVILEGES ON \`wp_cli_test_scaffold\`.* TO '$TEST_USER'@'%'" $HOST_STRING -u"$USER" "$PASSWORD_STRING"
 }