Since around #4629, test_develop has been failing intermittently with integration test failures for parameter editing in the host edit UI.

Below are all of the failures:

HostIntegrationTest::edit page.test_0004_correctly override global params (from HostIntegrationTest__edit page)
Failed refutation, no message given (Minitest::Assertion)
/var/lib/workspace/workspace/test_develop/database/postgresql/ruby/1.9.3/slave/fast/test/integration/host_test.rb:452    

HostIntegrationTest::edit page.test_0001_class parameters and overrides are displayed correctly for booleans (from HostIntegrationTest__edit page)
Failed refutation, no message given (Minitest::Assertion)
/var/lib/workspace/workspace/test_develop/database/postgresql/ruby/1.9.3/slave/fast/test/integration/host_test.rb:391    

HostIntegrationTest.test_0003_destroy redirects to hosts index
--- expected
+++ actual
@@ -1 +1 @@
-"/hosts/host1297.example400.com" 
+"/hosts" 
 (Minitest::Assertion)
/var/lib/workspace/workspace/test_develop/database/postgresql/ruby/1.9.3/slave/fast/test/integration/host_test.rb:336    

HostIntegrationTest::edit page.test_0001_class parameters and overrides are displayed correctly for booleans
Failed refutation, no message given (Minitest::Assertion)
/var/lib/workspace/workspace/test_develop/database/postgresql/ruby/2.2/slave/fast/test/integration/host_test.rb:391    

HostIntegrationTest::edit page.test_0002_can override puppetclass lookup values
Failed assertion, no message given. (Minitest::Assertion)
/var/lib/workspace/workspace/test_develop/database/postgresql/ruby/2.2/slave/fast/test/integration/host_test.rb:418    

HostIntegrationTest::edit page.test_0004_correctly override global params
Failed refutation, no message given (Minitest::Assertion)
/var/lib/workspace/workspace/test_develop/database/postgresql/ruby/2.2/slave/fast/test/integration/host_test.rb:452    

HostIntegrationTest::edit page.test_0004_correctly override global params (from HostIntegrationTest__edit page) 
Failed refutation, no message given (Minitest::Assertion)
/var/lib/workspace/workspace/test_develop/database/postgresql/ruby/2.0.0/slave/fast/test/integration/host_test.rb:452    

HostIntegrationTest::edit page.test_0004_correctly override global params (from HostIntegrationTest__edit page) 
Failed refutation, no message given (Minitest::Assertion)
/var/lib/workspace/workspace/test_develop/database/postgresql/ruby/1.9.3/slave/fast/test/integration/host_test.rb:452    

HostIntegrationTest::edit page.test_0004_correctly override global params (from HostIntegrationTest__edit page) 
Failed refutation, no message given (Minitest::Assertion)
/var/lib/workspace/workspace/test_develop/database/postgresql/ruby/2.0.0/slave/fast/test/integration/host_test.rb:452    

With the exception of the destroy test, all other failures seem to be relating to the Parameters tab.