Function for use in unit tests to mock a [[Thing]] with a given URL.
Warning: do not use this function in actual production code.
This function initialises a new empty Thing and sets its URL to a given URL.
This is useful to mock a Thing in tests of code that call e.g.
[[asUrl]].
Function for use in unit tests to mock a [[Thing]] with a given URL.
Warning: do not use this function in actual production code. This function initialises a new empty Thing and sets its URL to a given URL. This is useful to mock a Thing in tests of code that call e.g. [[asUrl]].