Added test for setRequireClientSecret
Added test for setRequireClientSecret

neconest/oauth2-server,juliangut/oauth2-server,marcaube/oauth2-server,mromarreyes/oauth2-server,lookyman/oauth2-server,starJammer/oauth2-server,fabik/oauth2-server,ionux/oauth2-server,gencer/oauth2-server,michaelhogg/oauth2-server,benito103e/oauth2-server,jorycn/oauth2-server,thephpleague/oauth2-server