ruby on rails 4 - Capybara::ElementNotFound radio by id -

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i understand syntax capybara choosing radio button following

choose("label name")

i running issue doing label has default name changed #id.

here html

 <label for="school_application_i_20"> require i-20 form?</label>     <br>     <label for="school_application_i_20_true">yes</label>     <input id="i-20-1" name="school_application[i_20]" type="radio" value="true" />     <label for="school_application_i_20_false">no</label>     <input id="i-20-2" name="school_application[i_20]" type="radio" value="false" />     <br>

when try old method of choosing element 

 choose('school_application_i_20_true')

i 

capybara::elementnotfound:    unable find radio button "school_application_i_20_true"

when change choose use element id same error id. there way select radio button id?

you mapping label , trying treat radio? perhaps map input has type=radio, able use choose method element:

choose("i-20-1")

not sure if need # prior id choose method... if doesnt find element try:

choose("#i-20-1")

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