Compile packs for test

`Webpacker` handles testing / development packs separately by default.
If do not specify `RAILS_ENV`, there is no merit to precompile.

1 files changed, 4 insertions, 2 deletions

diff --git a/railties/test/application/rake_test.rb b/railties/test/application/rake_test.rb
index a0cdae898b..c38b91ef03 100644
--- a/railties/test/application/rake_test.rb
+++ b/railties/test/application/rake_test.rb
@@ -189,8 +189,10 @@ module ApplicationTests
       rails "generate", "model", "Product"
       rails "generate", "model", "Cart"
       rails "generate", "scaffold", "LineItems", "product:references", "cart:belongs_to"
-      with_rails_env("test") { rails("db:migrate") }
-      rails("webpacker:compile")
+      with_rails_env("test") do
+        rails("db:migrate")
+        rails("webpacker:compile")
+      end
       output = rails("test")
 
       assert_match(/7 runs, 9 assertions, 0 failures, 0 errors/, output)