Set up pretender inside test file.

test/javascripts/fixtures/user-search_fixtures.js.es6

@@ -1,3 +0,0 @@
-export default {
-"/search/user/search?term=team&include_mentionable_groups=true": {"users":[{"username":"TeaMoe","name":"TeaMoe","avatar_template":"https://avatars.discourse.org/v3/letter/t/41988e/{size}.png"},{"username":"TeamOneJ","name":"J Cobb","avatar_template":"https://avatars.discourse.org/v3/letter/t/3d9bf3/{size}.png"},{"username":"kudos","name":"Team Blogeto.com","avatar_template":"/user_avatar/meta.discourse.org/kudos/{size}/62185_1.png"},{"username":"RosieLinda","name":"Linda Teaman","avatar_template":"https://avatars.discourse.org/v3/letter/r/bc8723/{size}.png"},{"username":"legalatom","name":"Team LegalAtom","avatar_template":"https://avatars.discourse.org/v3/letter/l/a9a28c/{size}.png"},{"username":"dzsat_team","name":"Dz Sat Dz Sat","avatar_template":"https://avatars.discourse.org/v3/letter/d/eb9ed0/{size}.png"}],"groups":[{"name":"team","usernames":[]}]}
-};

test/javascripts/helpers/create-pretender.js.es6

@@ -90,11 +90,6 @@ export default function() {
       return response({});
     });
 
-    this.get('/users/search/users', () => {
-      return response(fixturesByUrl['/search/user/search?term=team&include_mentionable_groups=true']);
-    });
-
-
     this.put('/users/eviltrout', () => response({ user: {} }));
 
     this.get("/t/280.json", () => response(fixturesByUrl['/t/280/1.json']));

test/javascripts/lib/user-search-test.js.es6

@@ -1,6 +1,61 @@
 import userSearch from 'discourse/lib/user-search';
 
-module("lib:user-search");
+module("lib:user-search", {
+  setup() {
+    const response = (object) => {
+      return [
+        200,
+        {"Content-Type": "application/json"},
+        object
+      ];
+    };
+
+    server.get('/users/search/users', () => {
+      return response(
+        {
+          users: [
+            {
+              "username": "TeaMoe",
+              "name": "TeaMoe",
+              "avatar_template": "https://avatars.discourse.org/v3/letter/t/41988e/{size}.png"
+            },
+            {
+              "username": "TeamOneJ",
+              "name": "J Cobb",
+              "avatar_template":
+              "https://avatars.discourse.org/v3/letter/t/3d9bf3/{size}.png"
+            },
+            {
+              "username": "kudos",
+              "name": "Team Blogeto.com",
+              "avatar_template": "/user_avatar/meta.discourse.org/kudos/{size}/62185_1.png"
+            },
+            {
+              "username": "RosieLinda",
+              "name": "Linda Teaman",
+              "avatar_template": "https://avatars.discourse.org/v3/letter/r/bc8723/{size}.png"
+            },
+            {
+              "username": "legalatom",
+              "name": "Team LegalAtom",
+              "avatar_template": "https://avatars.discourse.org/v3/letter/l/a9a28c/{size}.png"
+            },
+            {
+              "username": "dzsat_team",
+              "name": "Dz Sat Dz Sat",
+              "avatar_template": "https://avatars.discourse.org/v3/letter/d/eb9ed0/{size}.png"
+            }
+          ],
+          groups: [
+            {
+              "name": "team",
+              "usernames": []
+            }
+          ]
+        });
+    });
+  }
+});
 
 test("it places groups unconditionally for exact match", function() {
   return userSearch({term: 'team'}).then((results)=>{