cubicweb #4985805 [testlib] missing a method to help building req.form we get when posting a real form [validation pending]

prioritynormal
typeenhancement
done in3.20.5
load0.200
load left0.000
closed by#eacb8ea38bf5 [devtools] add a method on CubicWebTC to fake data posted by standard cw forms. Closes #4985805
patch[devtools] add a method on CubicWebTC to fake data posted by standard cw forms. Closes #4985805 [applied]