diff --git a/tests/Service/GeocodeTest.php b/tests/Service/GeocodeTest.php
index 8976c4d..beb3241 100644
--- a/tests/Service/GeocodeTest.php
+++ b/tests/Service/GeocodeTest.php
@@ -39,11 +39,22 @@ final class GeocodeTest extends KernelTestCase
         $this->assertNull($this->geocoder->geocodePostcode(''));
     }
 
-    public function testGeocodePostcodeReturnsGeoCoordinates(): void
+    public function testGeocodePostcodeReturnsGeoCoordinates(): GeoCoordinates
     {
         sleep(1);
-        $result = $this->geocoder->geocodePostcode(self::POSTCODE);
-        $this->assertInstanceOf(GeoCoordinates::class, $result);
+        $geoCoords = $this->geocoder->geocodePostcode(self::POSTCODE);
+        $this->assertNotNull($geoCoords);
+
+        return $geoCoords;
+    }
+
+    /**
+     * @depends testGeocodePostcodeReturnsGeoCoordinates
+     */
+    public function testCoordinatesAreSet(GeoCoordinates $geoCoordinates): void
+    {
+        $this->assertIsFloat($geoCoordinates->latitude);
+        $this->assertIsFloat($geoCoordinates->longitude);
     }
 
     private function getMappableEntity(): MappableInterface