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diff --git a/vendor/jcalderonzumba/mink-phantomjs-driver/src/JavascriptTrait.php b/vendor/jcalderonzumba/mink-phantomjs-driver/src/JavascriptTrait.php
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index 000000000..11453246b
--- /dev/null
+++ b/vendor/jcalderonzumba/mink-phantomjs-driver/src/JavascriptTrait.php
@@ -0,0 +1,75 @@
+<?php
+
+namespace Zumba\Mink\Driver;
+
+use Behat\Mink\Exception\DriverException;
+
+/**
+ * Class JavascriptTrait
+ * @package Zumba\Mink\Driver
+ */
+trait JavascriptTrait {
+
+  /**
+   * Executes a script on the browser
+   * @param string $script
+   */
+  public function executeScript($script) {
+    $this->browser->execute($this->fixSelfExecutingFunction($script));
+  }
+
+  /**
+   * Evaluates a script and returns the result
+   * @param string $script
+   * @return mixed
+   */
+  public function evaluateScript($script) {
+      $script = preg_replace('/^return\s+/', '', $script);
+
+      $script = $this->fixSelfExecutingFunction($script);
+
+      return $this->browser->evaluate($script);
+  }
+
+  /**
+   * Waits some time or until JS condition turns true.
+   *
+   * @param integer $timeout timeout in milliseconds
+   * @param string  $condition JS condition
+   * @return boolean
+   * @throws DriverException                  When the operation cannot be done
+   */
+  public function wait($timeout, $condition) {
+    $start = microtime(true);
+    $end = $start + $timeout / 1000.0;
+    do {
+      $result = $this->browser->evaluate($condition);
+      if ($result) {
+        // No need to wait any longer when the condition is met already.
+        return TRUE;
+      }
+      usleep(100000);
+    } while (microtime(true) < $end && !$result);
+
+    return (bool)$result;
+  }
+
+    /**
+     * Fixes self-executing functions to allow evaluating them.
+     *
+     * The self-executing function must be wrapped in braces to work.
+     *
+     * @param string $script
+     *
+     * @return string
+     */
+    private function fixSelfExecutingFunction($script)
+    {
+        if (preg_match('/^function[\s\(]/', $script)) {
+            $script = preg_replace('/;$/', '', $script);
+            $script = '(' . $script . ')';
+        }
+
+        return $script;
+    }
+}