Refactor L10n for testing

- Moving L10n to L10n\L10n
- Adding constructor information
- Adding to factory
- simplify/speedup tests

tests/Util/L10nMockTrait.php

@@ -1,46 +0,0 @@
-<?php
-
-namespace Friendica\Test\Util;
-
-use Friendica\Core\L10n;
-use Mockery\MockInterface;
-
-trait L10nMockTrait
-{
-	/**
-	 * @var MockInterface The interface for L10n mocks
-	 */
-	private $l10nMock;
-
-	/**
-	 * Mocking the 'L10n::t()' method
-	 *
-	 * @param null|string $input Either an input (string) or null for EVERY input is possible
-	 * @param null|int $times How often will it get called
-	 * @param null|string $return Either an return (string) or null for return the input
-	 */
-	public function mockL10nT($input = null, $times = null, $return = null)
-	{
-		if (!isset($this->l10nMock)) {
-			$this->l10nMock = \Mockery::mock('alias:' . L10n::class);
-		}
-
-		$with = isset($input) ? $input : \Mockery::any();
-
-		$return = isset($return) ? $return : $with;
-
-		if ($return instanceof \Mockery\Matcher\Any) {
-			$this->l10nMock
-				->shouldReceive('t')
-				->with($with)
-				->times($times)
-				->andReturnUsing(function($arg) { return $arg; });
-		} else {
-			$this->l10nMock
-				->shouldReceive('t')
-				->with($with)
-				->times($times)
-				->andReturn($return);
-		}
-	}
-}