The predicate run_tests/2 is synchronized. Concurrent testing may be achieved using the relevant options. See set_test_options/1. Options are passed to set_test_options/1. In addition the following options are processed:

summary(-Summary)

Unify Summary do a dict holding the keys below. The value of these keys is an integer describing the number of tests. If this option is given, run_tests/2 does not fail if some tests failed.

• total
• passed
• failed
• timeout
• blocked

Arguments:

TestSet

- is either a single specification or a list of specifications. Each single specification is either the name of a test-unit or a term <test-unit>:<test>, denoting a single test within a unit. If TestSet is all, all known tests are executed.