[1.2.X] Fixed #14630 -- Increased maximum size of the Oracle tablespace...

[1.2.X] Fixed #14630 -- Increased maximum size of the Oracle tablespace datafile used for tests from 100MB to 200MB.
This allows the execution of the full Django test suite without running out of allocated space.

Backport of [14468] from trunk

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.2.X@14469 bcc190cf-cafb-0310-a4f2-bffc1f526a37