Unit tests are hard-coded to use the common 8081 port to which a webserver such as IIS may already be exclusively bound on Windows development machines.
You should use something like the findport package to locate an available port dynamically, instead.
For instance:
Unit tests are hard-coded to use the common 8081 port to which a webserver such as IIS may already be exclusively bound on Windows development machines.
You should use something like the findport package to locate an available port dynamically, instead.