Starts the testing for a given model

ctest_start(Model [TRACK <track>] [APPEND] [source [binary]])

Starts the testing for a given model. The command should be called after the binary directory is initialized. If the ‘source’ and ‘binary’ directory are not specified, it reads the CTEST_SOURCE_DIRECTORY and CTEST_BINARY_DIRECTORY. If the track is specified, the submissions will go to the specified track. If APPEND is used, the existing TAG is used rather than creating a new one based on the current time stamp.