convert timesheets to UTC with support for user timezone (#372)

tests/Command/TestBashExecutor.php

@@ -0,0 +1,55 @@
+<?php
+
+/*
+ * This file is part of the Kimai time-tracking app.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace App\Tests\Command;
+
+use App\Command\BashExecutor;
+use App\Command\BashResult;
+
+class TestBashExecutor extends BashExecutor
+{
+    /**
+     * @var BashResult
+     */
+    protected $result;
+    /**
+     * @var string
+     */
+    protected $command;
+
+    /**
+     * @param BashResult $result
+     * @return $this
+     */
+    public function setResult(BashResult $result)
+    {
+        $this->result = $result;
+
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getCommand(): string
+    {
+        return $this->command;
+    }
+
+    /**
+     * @param string $command
+     * @return BashResult
+     */
+    public function execute(string $command)
+    {
+        $this->command = $command;
+
+        return $this->result;
+    }
+}