Fixed bug with SiteTree refering to unpublished objects.

src/Dev/FixtureBlueprint.php

@@ -214,6 +214,10 @@ public function findOrMakeObject($identifier, $data = null, $fixtures = null, $f
 
         $object->write();
 
+        // Handle Versioning:
+
+        $this->publishObject($object);
+
         // Record Object in Fixtures:
 
         $this->addFixture($object, $identifier);
@@ -362,6 +366,24 @@ public function writeObject(DataObject $object)
 
         // Handle Versioning:
 
+        $this->publishObject($object);
+
+        // Answer Object:
+
+        return $object;
+    }
+
+    /**
+     * Publishes the given object (if the object is versioned).
+     *
+     * @param DataObject $object
+     *
+     * @return DataObject
+     */
+    public function publishObject(DataObject $object)
+    {
+        // Detect Versioned Extension:
+
         if ($object->hasExtension(Versioned::class)) {
 
             // Copy Draft to Live: