fix

Author: AshishGargMicrosoft

src/ResourceManager/Resources/Commands.Resources/Models.Authorization/AuthorizationClient.cs

@@ -318,7 +318,7 @@ public IEnumerable<PSRoleAssignment> RemoveRoleAssignment(FilterRoleAssignmentsO
             // but an edge case can have multiple role assignments to the same role or multiple role assignments to different roles, with same name.
             // The FilterRoleAssignments takes care of paging internally
             IEnumerable<PSRoleAssignment> roleAssignments = FilterRoleAssignments(options, currentSubscription: subscriptionId)
-                                                .Where(ra => ra.Scope.Equals(options.Scope.TrimEnd('/'), StringComparison.OrdinalIgnoreCase));
+                                                .Where(ra => ra.Scope.TrimEnd('/').Equals(options.Scope.TrimEnd('/'), StringComparison.OrdinalIgnoreCase));
 
             if (roleAssignments == null || !roleAssignments.Any())
             {