function testFcn( fpath, assert ) {
	return test;

	function test( t ) {
		var fixture = require( fpath ); // eslint-disable-line stdlib/no-dynamic-require
		assert( t, fixture, done );

		function done() {
			t.end();
		}
	}
}
Returns a test function for testing against a specified fixture file.

@private
@param {string} fpath - fixture file path
@param {Function} assert - assertion function
@returns {Function} test function