Assert matching response shapes in fields_will_merge #2930

Job	Run time
lint	17s
system_tests	1m 6s
javascript_test	32s
mongodb_test (gemfiles/mongoid_9.gemfile)	2m 28s
mongodb_test (gemfiles/mongoid_8.gemfile)	2m 17s
postgres_test (gemfiles/rails_master.gemfile, 3.3, 1)	2m 24s
postgres_test (gemfiles/rails_7.1_postgresql.gemfile, 3.3)	2m 14s
test (Gemfile, 3.4)	2m 8s
test (Gemfile, 2.7)	1m 46s
test (gemfiles/rails_7.0.gemfile, 3.1)	2m 17s
test (gemfiles/rails_7.0.gemfile, 3.2)	2m 23s
test (gemfiles/rails_7.1.gemfile, 3.3)	2m 29s
test (gemfiles/rails_master.gemfile, 3.3, 1, 1)	2m 48s
test (gemfiles/rails_master.gemfile, 3.4, 1, 1, 1)	2m 39s
	27m 48s

Provide feedback