Update tag tests
Update sections tests
Update search tests
Update collection item tests
This need not be lazy
Improve tag tests
Improve sections tests
Update item tests
Name tests
Time serialisation is tested elsewhere
Test most viewed
Add editors picks
Tidy parser
Put HTTP test in right location
Not an actual test
Improve client tests
Remove duplicate type accessors
Reinstate podcast test
Merge pull request #45 from guardian/updated-tests

Updated tests, added tests