Evaluate the given expression and if any of the returned values are FALSE then
exit with status 1.
     
    
    Usage
    quit_on_failure(expr, n_br = 1)
 
    
    Arguments
    - expr
- Expression returning a logical vector 
- n_br
- Number of leading and trailing blank lines to print 
 
    
    
    Details
    This is needed when using check_* functions within a continuous integration pipeline
to signal that a step failed.