Fix TestScanToEmbedded

Author: ting-lan-wang

tests/scan_test.go

@@ -303,6 +303,11 @@ func TestScanRowsNullValuesScanToFieldDefault(t *testing.T) {
 }
 
 func TestScanToEmbedded(t *testing.T) {
+	DB.Migrator().DropTable(&Person{}, &Address{}, &PersonAddress{})
+	if err := DB.AutoMigrate(&Person{}, &Address{}, &PersonAddress{}); err != nil {
+		t.Fatalf("Failed to migrate, got %v", err)
+	}
+
 	person1 := Person{Name: "person 1"}
 	person2 := Person{Name: "person 2"}
 	DB.Save(&person1).Save(&person2)