Update tests for new defer default

Author: David Heinemeier Hansson

test/helper_test.rb

@@ -96,12 +96,21 @@ def test_preload_pack_asset
   end
 
   def test_javascript_pack_tag
+    assert_equal \
+      %(<script src="/packs/vendors~application~bootstrap-c20632e7baf2c81200d3.chunk.js" defer="defer"></script>\n) +
+        %(<script src="/packs/vendors~application-e55f2aae30c07fb6d82a.chunk.js" defer="defer"></script>\n) +
+        %(<script src="/packs/application-k344a6d59eef8632c9d1.js" defer="defer"></script>\n) +
+        %(<script src="/packs/bootstrap-300631c4f0e0f9c865bc.js" defer="defer"></script>),
+      javascript_pack_tag("application", "bootstrap")
+  end
+
+  def test_javascript_pack_with_no_defer_tag
     assert_equal \
       %(<script src="/packs/vendors~application~bootstrap-c20632e7baf2c81200d3.chunk.js"></script>\n) +
         %(<script src="/packs/vendors~application-e55f2aae30c07fb6d82a.chunk.js"></script>\n) +
         %(<script src="/packs/application-k344a6d59eef8632c9d1.js"></script>\n) +
         %(<script src="/packs/bootstrap-300631c4f0e0f9c865bc.js"></script>),
-      javascript_pack_tag("application", "bootstrap")
+      javascript_pack_tag("application", "bootstrap", defer: false)
   end
 
   def test_javascript_pack_tag_splat
@@ -114,9 +123,9 @@ def test_javascript_pack_tag_splat
 
   def test_javascript_pack_tag_symbol
     assert_equal \
-      %(<script src="/packs/vendors~application~bootstrap-c20632e7baf2c81200d3.chunk.js"></script>\n) +
-        %(<script src="/packs/vendors~application-e55f2aae30c07fb6d82a.chunk.js"></script>\n) +
-        %(<script src="/packs/application-k344a6d59eef8632c9d1.js"></script>),
+      %(<script src="/packs/vendors~application~bootstrap-c20632e7baf2c81200d3.chunk.js" defer="defer"></script>\n) +
+        %(<script src="/packs/vendors~application-e55f2aae30c07fb6d82a.chunk.js" defer="defer"></script>\n) +
+        %(<script src="/packs/application-k344a6d59eef8632c9d1.js" defer="defer"></script>),
       javascript_pack_tag(:application)
   end