public function testGetAdminMountsForGlobal()
 {
     $id1 = $this->addMount('/test', 'foo', 'bar', 100, DBConfigService::MOUNT_TYPE_ADMIN);
     $this->dbConfig->addApplicable($id1, DBConfigService::APPLICABLE_TYPE_GLOBAL, null);
     $mounts = $this->dbConfig->getAdminMountsFor(DBConfigService::APPLICABLE_TYPE_GLOBAL, null);
     $this->assertCount(1, $mounts);
     $this->assertEquals($id1, $mounts[0]['mount_id']);
     $this->assertEquals([['type' => DBConfigService::APPLICABLE_TYPE_GLOBAL, 'value' => null, 'mount_id' => $id1]], $mounts[0]['applicable']);
 }