Moving tearDown et al. to the top of each test class.
Adding short descriptions to docblocks.
Adding missing docblocks.
Removing unnecessary blank lines and whitespaces.
Updating labels of test groups.
git-svn-id: https://svn.cakephp.org/repo/branches/1.2.x.x@8116 3807eeeb-6ff5-0310-8944-8be069107fe0
adding tests for DbSource->length,
fixes#4150,
adding tests for DbSource->buildIndex(),
adding tests for DbSource->buildColumn(),
adding test for requestAction using a plugin,
adding DboSource->introspectType fixes#4224, refs #4589,
git-svn-id: https://svn.cakephp.org/repo/branches/1.2.x.x@6923 3807eeeb-6ff5-0310-8944-8be069107fe0