adjust test

tests/lib/Settings/ManagerTest.php

@@ -139,22 +139,17 @@ class ManagerTest extends TestCase {
 		$expr = $this->getMockBuilder('OCP\DB\QueryBuilder\IExpressionBuilder')->getMock();
 		$qb
 			->expects($this->once())
-			->method('select')
-			->with(['s.class', 's.priority'])
-			->willReturn($qb);
-		$qb
-			->expects($this->exactly(2))
-			->method('from')
+			->method('selectDistinct')
+			->with('s.class')
 			->willReturn($qb);
 		$qb
-			->expects($this->at(1))
-			->method('from')
-			->with('admin_sections', 's')
+			->expects($this->once())
+			->method('addSelect')
+			->with('s.priority')
 			->willReturn($qb);
 		$qb
-			->expects($this->at(2))
+			->expects($this->exactly(2))
 			->method('from')
-			->with('admin_settings', 'f')
 			->willReturn($qb);
 		$qb
 			->expects($this->once())