fix(tests): update tests for new constructor and Nested toArray changes

- Add missing $postFilter argument in ElasticQuery and AggregationCollection tests
- Update Nested test assertions to match new query array wrapping

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: Spamercz

tests/SpameriTests/ElasticQuery/Aggregation/AggregationCollection.phpt

@@ -149,6 +149,7 @@ class AggregationCollection extends \Tester\TestCase
 			null,
 			null,
 			null,
+			null,
 			$collection,
 		);
 

tests/SpameriTests/ElasticQuery/ElasticQuery.phpt

@@ -79,6 +79,7 @@ class ElasticQuery extends \Tester\TestCase
 								$term
 							)
 						),
+						NULL,
 						new \Spameri\ElasticQuery\Options\SortCollection(
 							new \Spameri\ElasticQuery\Options\Sort(
 								'year',

tests/SpameriTests/ElasticQuery/Query/Nested.phpt

@@ -31,7 +31,7 @@ class Nested extends \Tester\TestCase
 
 		\Tester\Assert::true(isset($array['nested']));
 		\Tester\Assert::same('comments', $array['nested']['path']);
-		\Tester\Assert::true(isset($array['nested']['query']['bool']));
+		\Tester\Assert::true(isset($array['nested']['query'][0]['bool']));
 	}
 
 
@@ -47,8 +47,8 @@ class Nested extends \Tester\TestCase
 		$array = $nested->toArray();
 
 		\Tester\Assert::same('comments', $array['nested']['path']);
-		\Tester\Assert::true(isset($array['nested']['query']['bool']['bool']['must']));
-		\Tester\Assert::count(1, $array['nested']['query']['bool']['bool']['must']);
+		\Tester\Assert::true(isset($array['nested']['query'][0]['bool']['must']));
+		\Tester\Assert::count(1, $array['nested']['query'][0]['bool']['must']);
 	}
 
 
@@ -74,8 +74,8 @@ class Nested extends \Tester\TestCase
 
 		$array = $nested->toArray();
 
-		\Tester\Assert::true(isset($array['nested']['query']['bool']['bool']['must']));
-		\Tester\Assert::true(isset($array['nested']['query']['bool']['bool']['should']));
+		\Tester\Assert::true(isset($array['nested']['query'][0]['bool']['must']));
+		\Tester\Assert::true(isset($array['nested']['query'][0]['bool']['should']));
 	}