Removed redundant set up in these classes (same as their paren
class MediaWikiLangTestCase does already).
* BlockTest
* ExportTest
* MWTimestampTest
* TitlePermissionTest
Change-Id: I28d18cb797bb249981727b02dffce4f0d8682b02
Reserved words, like 'namespace', are perfectly fine now to use as object
keys, but it seems they used to not be in PHP 5.3, necessitating workarounds.
Change-Id: Iecb79fda19803461dfb3800b8af4d31e971551b8
