style: apply fixes from phpstan

Author: innocenzi

tests/Integration/Mapper/Fixtures/DoubleStringCaster.php

@@ -4,12 +4,11 @@
 
 namespace Tests\Tempest\Integration\Mapper\Fixtures;
 
-use Closure;
 use Tempest\Mapper\Caster;
 
 final class DoubleStringCaster implements Caster
 {
-    public static function for(): string|Closure
+    public static function for(): string
     {
         return 'string';
     }

tests/Integration/Mapper/Fixtures/DoubleStringSerializer.php

@@ -2,12 +2,11 @@
 
 namespace Tests\Tempest\Integration\Mapper\Fixtures;
 
-use Closure;
 use Tempest\Mapper\Serializer;
 
 final class DoubleStringSerializer implements Serializer
 {
-    public static function for(): string|Closure
+    public static function for(): string
     {
         return 'string';
     }

tests/Integration/Mapper/Fixtures/ObjectFactoryACaster.php

@@ -9,7 +9,7 @@
 
 final class ObjectFactoryACaster implements Caster
 {
-    public static function for(): string|Closure
+    public static function for(): string
     {
         return 'string';
     }

tests/Integration/Mapper/Mappers/JsonToObjectMapperTestCase.php

@@ -5,6 +5,7 @@
 namespace Tests\Tempest\Integration\Mapper\Mappers;
 
 use Tempest\Mapper\Mappers\JsonToObjectMapper;
+use Tempest\Mapper\MappingContext;
 use Tests\Tempest\Integration\FrameworkIntegrationTestCase;
 use Tests\Tempest\Integration\Mapper\Fixtures\ObjectA;
 
@@ -25,14 +26,14 @@ public function test_json_to_object(): void
 
     public function test_invalid_json(): void
     {
-        $mapper = new JsonToObjectMapper();
+        $mapper = new JsonToObjectMapper(MappingContext::default());
 
         $this->assertFalse($mapper->canMap('invalid', ObjectA::class));
     }
 
     public function test_invalid_object(): void
     {
-        $mapper = new JsonToObjectMapper();
+        $mapper = new JsonToObjectMapper(MappingContext::default());
 
         $this->assertFalse($mapper->canMap('{}', 'unknown'));
     }