Moved Mocking usage

Adding more documentation

tests/Util/DBAMockTrait.php

@@ -2,13 +2,24 @@
 
 namespace Friendica\Test\Util;
 
+use Mockery\MockInterface;
+
 /**
  * Trait to mock the DBA connection status
  */
 trait DBAMockTrait
 {
+	/**
+	 * @var MockInterface The mocking interface of Friendica\Database\DBA
+	 */
 	private $dbaMock;
 
+	/**
+	 * Mocking DBA::connect()
+	 *
+	 * @param bool $return True, if the connect was successful, otherwise false
+	 * @param null|int $times How often the method will get used
+	 */
 	public function mockConnect($return = true, $times = null)
 	{
 		if (!isset($this->dbaMock)) {
@@ -21,6 +32,12 @@ trait DBAMockTrait
 			->andReturn($return);
 	}
 
+	/**
+	 * Mocking DBA::connected()
+	 *
+	 * @param bool $return True, if the DB is connected, otherwise false
+	 * @param null|int $times How often the method will get used
+	 */
 	public function mockConnected($return = true, $times = null)
 	{
 		if (!isset($this->dbaMock)) {