Fix negative DelaySeconds being passed to parameter. #221

Job	Run time
rubocop	22s
test (2.3, rails-5.2.gemfile)	1m 4s
test (2.4, rails-5.2.gemfile)	1m 0s
test (2.5, rails-5.2.gemfile)	36s
test (2.5, rails-6.0.gemfile)	35s
test (2.5, rails-6.1.gemfile)	35s
test (2.6, rails-5.2.gemfile)	38s
test (2.6, rails-6.0.gemfile)	38s
test (2.6, rails-6.1.gemfile)	39s
test (2.7, rails-5.2.gemfile)	38s
test (2.7, rails-6.0.gemfile)	42s
test (2.7, rails-6.1.gemfile)	41s
test (2.7, rails-7.0.gemfile)	40s
test (3.0, rails-6.0.gemfile)	27s
test (3.0, rails-6.1.gemfile)	20s
test (3.0, rails-7.0.gemfile)	21s
test (3.1, rails-6.0.gemfile)	21s
test (3.1, rails-6.1.gemfile)	21s
test (3.1, rails-7.0.gemfile)	22s
test (3.1, rails-main.gemfile)	42s
test (3.2, rails-6.0.gemfile)	22s
test (3.2, rails-6.1.gemfile)	21s
test (3.2, rails-7.0.gemfile)	20s
test (3.2, rails-main.gemfile)	25s
test (jruby-9.1, rails-5.2.gemfile)	57s
test (jruby-9.2, rails-5.2.gemfile)	54s
test (jruby-9.2, rails-6.0.gemfile)	57s
test (jruby-9.2, rails-6.1.gemfile)	54s
test (jruby-9.3, rails-5.2.gemfile)	48s
test (jruby-9.3, rails-6.0.gemfile)	45s
test (jruby-9.3, rails-6.1.gemfile)	48s
test (jruby-9.4, rails-6.0.gemfile)	44s
test (jruby-9.4, rails-6.1.gemfile)	44s
test (jruby-9.4, rails-7.0.gemfile)	44s
test (jruby-9.4, rails-main.gemfile)	59s
	22m 24s

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