refactor(wpmc S3): get_terms modern signature + REQUEST_URI cleanup

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

includes/class-helpers.php

@@ -37,7 +37,8 @@ final class Helpers
 
         $resolved = null;
         if ($first_segment !== null) {
-            $terms = \get_terms('town', [
+            $terms = \get_terms([
+                'taxonomy'   => 'town',
                 'hide_empty' => false,
                 'fields'     => 'id=>slug',
             ]);

tests/HelpersTest.php

@@ -57,8 +57,9 @@ final class HelpersTest extends TestCase
 
         \Brain\Monkey\Functions\expect('get_terms')
             ->once()
-            ->with('town', \Mockery::on(function ($args) {
-                return ($args['hide_empty'] ?? null) === false
+            ->with(\Mockery::on(function ($args) {
+                return ($args['taxonomy'] ?? null) === 'town'
+                    && ($args['hide_empty'] ?? null) === false
                     && ($args['fields'] ?? null) === 'id=>slug';
             }))
             ->andReturn([10 => 'spb', 11 => 'tyumen']);

tests/TestCase.php

@@ -24,6 +24,7 @@ abstract class TestCase extends BaseTestCase
 
     protected function tearDown(): void
     {
+        unset($_SERVER['REQUEST_URI']);
         Monkey\tearDown();
         parent::tearDown();
     }