Add test for horizontal rule with width from env

Author: mikeymike

test/Renderer/HorizontalRuleRendererTest.php

@@ -31,4 +31,20 @@ public function testRender(): void
             $renderer->render($rule, $cliRenderer)
         );
     }
+
+    public function testRendererWithWidthOptionOnEnvironment(): void
+    {
+        $class = $this->getRendererClass();
+        $renderer = new $class();
+        $rule = new ThematicBreak();
+
+        $color = new Color();
+        $color->setForceStyle(true);
+        $cliRenderer = new CliRenderer(new Environment(['renderer' => ['width' => 10]]), $color);
+
+        $this->assertEquals(
+            "----------",
+            $renderer->render($rule, $cliRenderer)
+        );
+    }
 }