MXS-1300: Combine REST API and MaxCtrl tests

The REST API tests are now located under the maxctrl directory. This
allows both tests to use the same framework for testing.

maxctrl/lib/unlink.js

@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2016 MariaDB Corporation Ab
+ *
+ * Use of this software is governed by the Business Source License included
+ * in the LICENSE.TXT file and at www.mariadb.com/bsl11.
+ *
+ * Change Date: 2020-01-01
+ *
+ * On the date above, in accordance with the Business Source License, use
+ * of this software will be governed by version 2 or later of the General
+ * Public License.
+ */
+require('../common.js')()
+
+function removeServer(path, targets) {
+    doRequest(path, function(res) {
+        var servers =_.get(res, 'data.relationships.servers.data', [])
+
+        _.remove(servers, function(i) {
+            return targets.indexOf(i.id) != -1
+        })
+
+        // Update relationships and remove unnecessary parts
+        _.set(res, 'data.relationships.servers.data', servers)
+        delete res.data.attributes
+
+        doRequest(path, null, {method: 'PATCH', body: res})
+    })
+}
+
+exports.command = 'unlink <command>'
+exports.desc = 'Unlink objects'
+exports.handler = function() {}
+exports.builder = function(yargs) {
+    yargs
+        .command('service <name> <server...>', 'Unlink servers from a service', {}, function(argv) {
+            removeServer('services/' + argv.name, argv.server)
+        })
+        .command('monitor <name> <server...>', 'Unlink servers from a monitor', {}, function(argv) {
+            removeServer('monitors/' + argv.name, argv.server)
+        })
+        .usage('Usage: unlink <command>')
+        .help()
+        .command('*', 'the default command', {}, () => {
+            console.log('Unknown command. See output of `help unlink` for a list of commands.')
+        })
+}