Revert "Rename all test files from JS -> ES6"

This reverts commit 2abe85b8344de1102c1589a9ac9421a8b296f2b5.

test/javascripts/admin/controllers/admin-user-badges-test.js

@@ -1,55 +0,0 @@
-import Badge from "discourse/models/badge";
-import { mapRoutes } from "discourse/mapping-router";
-
-moduleFor("controller:admin-user-badges", {
-  beforeEach() {
-    this.registry.register("router:main", mapRoutes());
-  },
-  needs: ["controller:adminUser"]
-});
-
-QUnit.test("grantableBadges", function(assert) {
-  const badgeFirst = Badge.create({
-    id: 3,
-    name: "A Badge",
-    enabled: true,
-    manually_grantable: true
-  });
-  const badgeMiddle = Badge.create({
-    id: 1,
-    name: "My Badge",
-    enabled: true,
-    manually_grantable: true
-  });
-  const badgeLast = Badge.create({
-    id: 2,
-    name: "Zoo Badge",
-    enabled: true,
-    manually_grantable: true
-  });
-  const badgeDisabled = Badge.create({
-    id: 4,
-    name: "Disabled Badge",
-    enabled: false,
-    manually_grantable: true
-  });
-  const badgeAutomatic = Badge.create({
-    id: 5,
-    name: "Automatic Badge",
-    enabled: true,
-    manually_grantable: false
-  });
-
-  const controller = this.subject({
-    model: [],
-    badges: [badgeLast, badgeFirst, badgeMiddle, badgeDisabled, badgeAutomatic]
-  });
-
-  const sortedNames = [badgeFirst.name, badgeMiddle.name, badgeLast.name];
-  const badgeNames = controller.get("grantableBadges").map(function(badge) {
-    return badge.name;
-  });
-
-  assert.not(badgeNames.includes(badgeDisabled), "excludes disabled badges");
-  assert.deepEqual(badgeNames, sortedNames, "sorts badges by name");
-});