the user defined name of the test/sub-test.
the test function that will be tested when this step is executed.
the first (and only) argument passed to this function will contain the current test's context.
Optionalignorewhen this is set to true, the current test/sub-test will be skipped.
this is can be used for conditional logic, like when an environment feature is present or lacking.
this interface describes what a test or sub-test is composed of. it partially reflects
Deno.TestDefinition's interface.