HandleCheckTrustRoleSuccessfully creates an HTTP handler at `/OS-TRUST/trusts/987fe8/roles/c1648e` on the test handler mux that responds with a list trust roles.

HandleCreateTokenWithTrustID verifies that providing certain AuthOptions and Scope results in an expected JSON structure.

HandleCreateTrust creates an HTTP handler at `/OS-TRUST/trusts` on the test handler mux that tests trust creation.

HandleCreateTrustNoExpire creates an HTTP handler at `/OS-TRUST/trusts` on the test handler mux that tests trust creation.

HandleDeleteUserSuccessfully creates an HTTP handler at `/users` on the test handler mux that tests user deletion.

HandleGetTrustRoleSuccessfully creates an HTTP handler at `/OS-TRUST/trusts/987fe8/roles/c1648e` on the test handler mux that responds with a trust role details.

HandleGetTrustSuccessfully creates an HTTP handler at `/OS-TRUST/trusts` on the test handler mux that responds with a single trusts.

HandleListTrustRolesSuccessfully creates an HTTP handler at `/OS-TRUST/trusts/987fe8/roles` on the test handler mux that responds with a list trust roles.

HandleListTrustsSuccessfully creates an HTTP handler at `/OS-TRUST/trusts` on the test handler mux that responds with a list of two trusts.

GetOutput provides a Get result.

ListOutput provides a single page of Role results.

ExpectedRolesSlice is the slice of roles expected to be returned from ListOutput.