PanicIfMissingEnv is designed to panic if the following environment variables are not set: * PHPIPAM_APP_ID * PHPIPAM_ENDPOINT_ADDR * PHPIPAM_PASSWORD * PHPIPAM_USER_NAME Acceptance tests cannot continue if these are not set so there is no point in continuing.

SkipIfCustomNested is designed to skip an integration test if TESTACC_CUSTOM_NESTED is set.

SkipIfNotAcc is designed to skip an integration test if TESTACC is not set.

VetAccConditions is a meta-function that ensures that an acceptance test meets the conditions necessary to continue.