diff --git a/src/Illuminate/Foundation/Testing/RefreshDatabase.php b/src/Illuminate/Foundation/Testing/RefreshDatabase.php
index 46250cff154c..5358242f7f89 100644
--- a/src/Illuminate/Foundation/Testing/RefreshDatabase.php
+++ b/src/Illuminate/Foundation/Testing/RefreshDatabase.php
@@ -6,13 +6,6 @@
 
 trait RefreshDatabase
 {
-    /**
-     * Indicates if the test database has been migrated.
-     *
-     * @var bool
-     */
-    protected static $migrated = false;
-
     /**
      * Define hooks to migrate the database before and after each test.
      *
@@ -56,12 +49,12 @@ protected function refreshInMemoryDatabase()
      */
     protected function refreshTestDatabase()
     {
-        if (! static::$migrated) {
+        if (! RefreshDatabaseState::$migrated) {
             $this->artisan('migrate:fresh');
 
             $this->app[Kernel::class]->setArtisan(null);
 
-            static::$migrated = true;
+            RefreshDatabaseState::$migrated = true;
         }
 
         $this->beginDatabaseTransaction();
diff --git a/src/Illuminate/Foundation/Testing/RefreshDatabaseState.php b/src/Illuminate/Foundation/Testing/RefreshDatabaseState.php
new file mode 100644
index 000000000000..1f33087396f6
--- /dev/null
+++ b/src/Illuminate/Foundation/Testing/RefreshDatabaseState.php
@@ -0,0 +1,13 @@
+<?php
+
+namespace Illuminate\Foundation\Testing;
+
+class RefreshDatabaseState
+{
+    /**
+     * Indicates if the test database has been migrated.
+     *
+     * @var bool
+     */
+    public static $migrated = false;
+}