Improve some test coverage.

app/Repositories/User/UserRepository.php

@@ -128,6 +128,18 @@ class UserRepository implements UserRepositoryInterface
         return $this->all()->count();
     }
 
+    /**
+     * @param string $name
+     * @param string $displayName
+     * @param string $description
+     *
+     * @return Role
+     */
+    public function createRole(string $name, string $displayName, string $description): Role
+    {
+        return Role::create(['name' => $name, 'display_name' => $displayName, 'description' => $description]);
+    }
+
     /**
      * @param User $user
      *
@@ -178,6 +190,16 @@ class UserRepository implements UserRepositoryInterface
         return User::first();
     }
 
+    /**
+     * @param string $role
+     *
+     * @return Role|null
+     */
+    public function getRole(string $role): ?Role
+    {
+        return Role::where('name', $role)->first();
+    }
+
     /**
      * Return basic user information.
      *