Fix namespace for repair step tests

tests/lib/repair/repairinnodb.php

@@ -5,13 +5,14 @@
  * later.
  * See the COPYING-README file.
  */
+namespace Test\Repair;
 
 /**
  * Tests for the converting of MySQL tables to InnoDB engine
  *
  * @see \OC\Repair\RepairMimeTypes
  */
-class TestRepairInnoDB extends \Test\TestCase {
+class RepairInnoDB extends \Test\TestCase {
 
 	/** @var \OC\RepairStep */
 	private $repair;

tests/lib/repair/repairlegacystorage.php

@@ -5,13 +5,14 @@
  * later.
  * See the COPYING-README file.
  */
+namespace Test\Repair;
 
 /**
  * Tests for the converting of legacy storages to home storages.
  *
  * @see \OC\Repair\RepairLegacyStorages
  */
-class TestRepairLegacyStorages extends \Test\TestCase {
+class RepairLegacyStorages extends \Test\TestCase {
 
 	private $connection;
 	private $config;

tests/lib/repair/repairmimetypes.php

@@ -6,13 +6,14 @@
  * later.
  * See the COPYING-README file.
  */
+namespace Test\Repair;
 
 /**
  * Tests for the converting of legacy storages to home storages.
  *
  * @see \OC\Repair\RepairMimeTypes
  */
-class TestRepairMimeTypes extends \Test\TestCase {
+class RepairMimeTypes extends \Test\TestCase {
 
 	/** @var \OC\RepairStep */
 	private $repair;

tests/lib/repair/repairsqliteautoincrement.php

@@ -11,7 +11,7 @@ namespace Test\Repair;
 /**
  * Tests for fixing the SQLite id recycling
  */
-class TestRepairSqliteAutoincrement extends \Test\TestCase {
+class RepairSqliteAutoincrement extends \Test\TestCase {
 
 	/**
 	 * @var \OC\Repair\SqliteAutoincrement