Remove broken tests (#1357)

In PHPUnit 11, all closures are considered equal, so those test
assertions are passing even if we replace the closure with an unrelated
one.
In PHPUnit 12, closures are compared by identity. This is incompatible
with the deep cloning of parameters.

See sebastianbergmann/comparator#129

Author: stof

tests/Generator/Resolver/ParameterResolverIntegrationTest.php

@@ -110,8 +110,6 @@ public static function provideParameters(): iterable
             'int_param' => 2000,
             'float_param' => -.89,
             'object_param' => new stdClass(),
-            'closure_param' => static function (): void {
-            },
             'class_param' => 'App\Test\Dummy',
             'array_value' => [
                 'dummy',

tests/ParameterTest.php

@@ -65,9 +65,6 @@ public static function provideValues(): iterable
             'string' => ['foo'],
             'null' => [null],
             'object' => [new stdClass()],
-            'closure' => [
-                static function (): void {
-                }],
             'array' => [[new stdClass()]],
         ];
     }