Imports hasOne class

Author: austintoddj

src/RelationshipTestHelper.php

@@ -2,6 +2,7 @@
 
 namespace EGALL\EloquentPHPUnit;
 
+use Illuminate\Database\Eloquent\Relations\HasOne;
 use Illuminate\Database\Eloquent\Relations\HasMany;
 use Illuminate\Database\Eloquent\Relations\MorphTo;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;