Increase test coverage.

Author: drupol

spec/loophp/phptree/Importer/MicrosoftTolerantPhpParserSpec.php

@@ -34,7 +34,7 @@ public function it_can_import(): void
         $this
             ->import($ast)
             ->count()
-            ->shouldReturn(112);
+            ->shouldReturn(117);
     }
 
     public function it_is_initializable(): void

spec/loophp/phptree/Importer/NikicPhpAstSpec.php

@@ -30,7 +30,7 @@ public function it_can_import(): void
         $this
             ->import($ast)
             ->count()
-            ->shouldReturn(84);
+            ->shouldReturn(87);
     }
 
     public function it_is_initializable(): void

spec/loophp/phptree/Importer/NikicPhpParserSpec.php

@@ -48,7 +48,7 @@ public function it_can_import(): void
         $this
             ->import($ast)
             ->count()
-            ->shouldReturn(104);
+            ->shouldReturn(109);
     }
 
     public function it_is_initializable(): void

spec/loophp/phptree/Node/NodeSpec.php

@@ -369,5 +369,8 @@ public function it_is_a_traversable(): void
     public function it_is_initializable(): void
     {
         $this->shouldHaveType(Node::class);
+        $this
+            ->label()
+            ->shouldNotBeNull();
     }
 }

tests/sample.php

@@ -2,6 +2,8 @@
 
 declare(strict_types=1);
 
+include __DIR__ . '/vendor/autoload.php';
+
 function foo($a)
 {
     return $a . $a;