fix php tests

Author: sblondeau

src/Map/src/Bridge/Leaflet/tests/LeafletRendererTest.php

@@ -49,3 +49,5 @@ public function provideTestRenderMap(): iterable
         ];
     }
 }
+
+

src/Map/src/Map.php

@@ -99,6 +99,7 @@ public function addPolygon(Polygon $polygon): self
 
         return $this;
     }
+    
     public function addPolyline(Polyline $polyline): self
     {
         $this->polylines[] = $polyline;