There is currently one test suite version for Web Coverage Service available online via the Legacy CITE Engine. There are plans to update the test suite to utilize the newer TEAM Engine for official compliance testing. This is tentatively planned to take place during OGC Web Services, Phase 5 (OWS-5) to be completed in late 2007 - early 2008.
More information concerning the Web Coverage Service Specification can be found on the OGC Standards page for WCS
