Tests are categorised as follows:

basic:       Basic language features, some complete programs
bignum:      Bignums and GMP
dsl:         Embedded DSLs and features to support DSL development
effects:     Effects package
error:       Error messages and error reflection
ffi:         FFI calls, including type providers
idrisdoc:    Documentation tool functionality
interactive: Interactive editing, proof search
io:          IO monad
literate:    .lidr files; literate programming
primitives:  Primitive types
proof:       Theorem proving, tactics
sugar:       Syntactic sugar, syntax extensions
totality:    Totality checking
tutorial:    Examples from the tutorial

reg:         Regression tests, covering previous bug fixes