Changes default render behavior from file to template.
Cleaner queuing of jobs using Delayed Job
Skip isolated tests for PRs

They're valuable, but the types of errors they catch are fairly rare: we
can address them post-merge when they show up.
Update error message for validate method

- Improve the error message by suggesting that the user may have
  intended to call validates instead of validate method.
Document that the default for `rails server -b` has changed

Fixes #16578
Merge pull request #16984 from chancancode/fix_16578

Document that the default for `rails server -b` has changed
Fix assertions in AR::TestCase::AttributeMethodsTest

This test has always been green because it uses "assert" and the first
argument is an truthy class/object.
Merge pull request #16998 from yuki24/fix-false-assertion

Fix false assertions in AR::TestCase::AttributeMethodsTest
Fix another false assertions

 * The assertions in AS::Duration don't actually assert.
 * The assertion in Railtie will pass even when `eager_load_namespaces`
   doesn't include `AppTemplate::Application` if `Rails.application` is
   truthy.

For more details, see here:

 * https://github.com/rails/rails/pull/16998
 * https://github.com/rails/rails/pull/17000
Wrap Adequate Record release notes at 80 chars [ci skip]
Wrap it up! :trollface: [ci skip]
Merge pull request #17000 from yuki24/fix-false-assertions

Fix another false assertions
Remove wrapping <div> in form helpers from doc

[ci skip]

89ff1f8 and 1de258e6 removed from the HTML generated by the form helpers
the <div> that was wrapping the field elements inside the <form>.

This commit updates the documentation of the methods to reflect the
two commits above.
Merge pull request #17001 from claudiob/remove-wrapping-div-from-form-helpers-doc

Remove wrapping <div> in form helpers from doc [ci skip]
Allow attaching files while the mail view is rendered
Merge pull request #16974 from silp-com/mail_was_called

ActionMailer: mark mail as called after instead of before processing it
Added RDoc for each Active Job adapter
Merge pull request #16999 from cristianbica/activejob-adapters-rdoc

[ci skip] Added RDoc for each Active Job adapter
Merge pull request #16888 from jejacks0n/render_template

Changes default render behavior from file to template.
CHANGELOG for 07635a7