add more test cases

apps/block_scout_web/test/block_scout_web/controllers/chain_controller_test.exs

@@ -69,11 +69,21 @@ defmodule BlockScoutWeb.ChainControllerTest do
   describe "GET token_autocomplete/2" do
     test "finds matching tokens" do
       insert(:token, name: "MaGiC")
+      insert(:token, name: "Evil")
 
       conn = get(conn(), "/token_autocomplete?q=magic")
 
       assert Enum.count(json_response(conn, 200)) == 1
     end
+
+    test "finds two matching tokens" do
+      insert(:token, name: "MaGiC")
+      insert(:token, name: "magic")
+
+      conn = get(conn(), "/token_autocomplete?q=magic")
+
+      assert Enum.count(json_response(conn, 200)) == 2
+    end
   end
 
   describe "GET search/2" do