diff --git a/tests/HelpersTest.php b/tests/HelpersTest.php
index 7fc2713..676ee0e 100644
--- a/tests/HelpersTest.php
+++ b/tests/HelpersTest.php
@@ -331,4 +331,20 @@ final class HelpersTest extends TestCase
 
         self::assertNull(Helpers::index_town_alt_page_id());
     }
+
+    public function test_reset_cache_clears_page_unic_cache(): void
+    {
+        $term = new \WP_Term();
+        $term->term_id = 11;
+        \Brain\Monkey\Functions\when('get_term_by')->justReturn($term);
+        \Brain\Monkey\Functions\expect('get_field')
+            ->twice()
+            ->andReturn([['town' => 11, 'page_old' => 7, 'page_new' => 70]]);
+
+        Helpers::page_unic_swap(7, 'tyumen');
+        Helpers::reset_cache();
+        Helpers::page_unic_swap(7, 'tyumen');
+
+        self::assertTrue(true);
+    }
 }