update to phoenix 1.6

test/cannery_web/views/home_view_test.exs

@@ -1,3 +1,8 @@
 defmodule CanneryWeb.HomeViewTest do
   use CanneryWeb.ConnCase, async: true
+
+  # When testing helpers, you may want to import Phoenix.HTML and
+  # use functions such as safe_to_string() to convert the helper
+  # result into an HTML string.
+  # import Phoenix.HTML
 end