use existing tests for http/1.1 target validation

Author: ruslandoga

test/mint/http1/conn_test.exs

@@ -761,7 +761,7 @@ defmodule Mint.HTTP1Test do
                """)
     end
 
-    @invalid_request_targets ["/ /", "/%foo", "/foo%x"]
+    @invalid_request_targets ["", "/ /", "/%foo", "/foo%x"]
     test "targets are validated by default", %{port: port, server_ref: server_ref} do
       assert {:ok, conn} = HTTP1.connect(:http, "localhost", port)
 

test/mint/http1/integration_test.exs

@@ -100,12 +100,6 @@ defmodule Mint.HTTP1.IntegrationTest do
 
       assert byte_size(merge_body(responses, request)) == 1024
     end
-
-    test "empty target" do
-      {:ok, conn} = HTTP1.connect(:http, "localhost", 8080)
-      assert {:error, _conn, %Mint.HTTPError{} = error} = HTTP1.request(conn, "GET", "", [], nil)
-      assert Exception.message(error) == ~s|invalid request target: ""|
-    end
   end
 
   describe "twitter.com" do