Add run_graphql_field for testing #1880

# to view logs

Job	Run time
javascript_test	56s
system_tests	52s
lint	32s
mongodb_test (gemfiles/mongoid_6.gemfile)	57s
postgres_test	1m 14s
mongodb_test (gemfiles/mongoid_7.gemfile)	54s
test (Gemfile, 3.2)	41s
test (gemfiles/rails_5.2.gemfile, 2.7)	54s
test (gemfiles/rails_7.0.gemfile, 3.1)	54s
test (gemfiles/rails_master.gemfile, 3.1)	1m 46s
test (gemfiles/rails_7.0.gemfile, 3.2)	54s
test (gemfiles/rails_master.gemfile, 3.2)	1m 41s
	12m 15s

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