Apply suggestions from code review

Author: fatboypunk

lib/test_dispatch/form.ex

@@ -10,7 +10,7 @@ defmodule TestDispatch.Form do
     do: find_input_fields(form, entity_tuple)
 
   def find_inputs(form, {:button_text, button_text}) do
-    button = find_buttons(form, button_text)
+    button = find_button(form, button_text)
 
     if button,
       do: [button | find_default_inputs(form)],
@@ -29,7 +29,7 @@ defmodule TestDispatch.Form do
     Enum.uniq(fields ++ selects ++ textareas ++ radio_buttons)
   end
 
-  def find_buttons(form, button_text),
+  def find_button(form, button_text),
     do:
       find_submit_input(form, button_text) ||
         find_submit_button(form, button_text)