conn_test: Remove ioutil

nhooyr · nhooyr · commit 4ab2f5421083 · 2023-10-10T08:34:49.000-07:00
diff --git a/conn_test.go b/conn_test.go
@@ -223,7 +223,7 @@ func TestConn(t *testing.T) {
 			return n2.Close()
 		})
 
-		b, err := ioutil.ReadAll(n1)
+		b, err := io.ReadAll(n1)
 		assert.Success(t, err)
 
 		_, err = n1.Read(nil)
