Refactor show_plans helper

ee/app/helpers/billing_plans_helper.rb

@@ -89,9 +89,13 @@ module BillingPlansHelper
   end
 
   def show_plans?(namespace)
-    return false if namespace.free_personal?
-
-    namespace.trial_active? || !(namespace.gold_plan? || namespace.ultimate_plan?)
+    if namespace.free_personal?
+      false
+    elsif namespace.trial_active?
+      true
+    else
+      !highest_tier?(namespace)
+    end
   end
 
   def show_trial_banner?(namespace)
@@ -190,6 +194,10 @@ module BillingPlansHelper
         .execute
     end
   end
+
+  def highest_tier?(namespace)
+    namespace.gold_plan? || namespace.ultimate_plan?
+  end
 end
 
 BillingPlansHelper.prepend_mod

ee/spec/helpers/billing_plans_helper_spec.rb

@@ -561,8 +561,6 @@ RSpec.describe BillingPlansHelper do
       false |  true  | false | true  | true
       false |  false | true  | true  | false
       false |  true  | true  | true  | true
-      false |  true  | true  | true  | true
-      false |  true  | true  | true  | true
       true  |  true  | true  | true  | false
     end