takes_less_than(amount)equivalence,
expect_equal,
expect_equivalent,
expect_identical;
expect-compare, expect_gt,
expect_gte, expect_less_than,
expect_lt, expect_lte,
expect_more_than;
expect_equal_to_reference;
expect_error, expect_match,
expect_message,
expect_output,
expect_warning,
matching-expectations;
expect_false, expect_true;
expect_is; expect_named;
expect_null; expect_silent