Add id's to buttons on beta program page

services/web/app/views/beta_program/opt_in.jade

@@ -27,7 +27,7 @@ block content
 									.col-md-12
 										if user.betaProgram
 											p #{translate("beta_program_already_participating")}
-											form(method="post", action="/beta/opt-out", novalidate)
+											form(id="beta-program-opt-out", method="post", action="/beta/opt-out", novalidate)
 												.form-group
 													input(type="hidden", name="_csrf", value=csrfToken)
 													button.btn.btn-primary(
@@ -37,7 +37,7 @@ block content
 												.form-group
 													a(href="/project").btn.btn-info #{translate("back_to_your_projects")}
 										else
-											form(method="post", action="/beta/opt-in", novalidate)
+											form(id="beta-program-opt-in", method="post", action="/beta/opt-in", novalidate)
 												.form-group
 													input(type="hidden", name="_csrf", value=csrfToken)
 													button.btn.btn-primary(

services/web/app/views/user/settings.jade

@@ -108,7 +108,7 @@ block content
 								p.small
 									| #{translate("beta_program_already_participating")}
 								div
-									a(href="/beta/participate") #{translate("manage_beta_program_membership")}
+									a(id="beta-program-participate-link" href="/beta/participate") #{translate("manage_beta_program_membership")}
 
 							hr