fix set boolean false behaviour

test if value present not with evaluating to true, with an active record boolean field you can set it to 0 for dirty fixing

[1] pry(#<RSpec::Core::ExampleGroup::Nested_1::Nested_2>)> val = false
=> false
[2] pry(#<RSpec::Core::ExampleGroup::Nested_1::Nested_2>)> val.blank?
=> true
[3] pry(#<RSpec::Core::ExampleGroup::Nested_1::Nested_2>)> val.present?
=> false
[4] pry(#<RSpec::Core::ExampleGroup::Nested_1::Nested_2>)> val === false
=> true
[5] pry(#<RSpec::Core::ExampleGroup::Nested_1::Nested_2>)>