rename the test to avoid a conflict with #1316

Author: Fil

test/output/athletesSort.html renamed to test/output/athletesSortNationality.html

@@ -1,7 +1,7 @@
 import * as Plot from "@observablehq/plot";
 import * as d3 from "d3";
 
-export async function athletesSort() {
+export async function athletesSortNationality() {
   const athletes = await d3.csv("data/athletes.csv", d3.autoType);
   return Plot.plot({
     color: {legend: true},