Add RequestTest

tests/Type/tests/Http/RequestTest.phpt

@@ -0,0 +1,16 @@
+--FILE--
+<?php declare(strict_types=1);
+
+function it_returns_all_headers(\Illuminate\Http\Request $request): array {
+    return $request->header();
+};
+
+function it_returns_one_header(\Illuminate\Http\Request $request): ?string {
+    return $request->header('Accept');
+};
+
+function it_returns_route(\Illuminate\Http\Request $request): \Illuminate\Routing\Route {
+    return $request->route();
+};
+?>
+--EXPECTF--