diff --git a/gbfs-validator/__test__/__snapshots__/gbfs.test.js.snap b/gbfs-validator/__test__/__snapshots__/gbfs.test.js.snap
index aa0f10c..9d753bd 100644
--- a/gbfs-validator/__test__/__snapshots__/gbfs.test.js.snap
+++ b/gbfs-validator/__test__/__snapshots__/gbfs.test.js.snap
@@ -2,13 +2,13 @@
 
 exports[`initialization should correctly initialize validator per default 1`] = `
 GBFS {
-  "auth": {},
-  "gotOptions": {
-    "headers": {
+  "auth": Object {},
+  "gotOptions": Object {
+    "headers": Object {
       "user-agent": "MobilityData GBFS-Validator/1.1.1 (Node 16.0.1)",
     },
   },
-  "options": {
+  "options": Object {
     "docked": false,
     "freefloating": false,
     "version": null,
@@ -19,13 +19,13 @@ GBFS {
 
 exports[`initialization should correctly initialize validator with options 1`] = `
 GBFS {
-  "auth": {},
-  "gotOptions": {
-    "headers": {
+  "auth": Object {},
+  "gotOptions": Object {
+    "headers": Object {
       "user-agent": "MobilityData GBFS-Validator/1.1.1 (Node 16.0.1)",
     },
   },
-  "options": {
+  "options": Object {
     "docked": true,
     "freefloating": true,
     "version": "v2.1",
@@ -38,19 +38,19 @@ exports[`initialization should throw an error without url 1`] = `"Missing URL"`;
 
 exports[`initialization with auth should correctly initialize with \`basic_auth\` 1`] = `
 GBFS {
-  "auth": {
-    "basicAuth": {
+  "auth": Object {
+    "basicAuth": Object {
       "password": "mypassword",
       "user": "myuser",
     },
     "type": "basic_auth",
   },
-  "gotOptions": {
-    "headers": {
+  "gotOptions": Object {
+    "headers": Object {
       "Authorization": "basic bXl1c2VyOm15cGFzc3dvcmQ=",
     },
   },
-  "options": {
+  "options": Object {
     "docked": false,
     "freefloating": false,
     "version": null,
@@ -61,18 +61,18 @@ GBFS {
 
 exports[`initialization with auth should correctly initialize with \`bearer_token\` 1`] = `
 GBFS {
-  "auth": {
-    "bearerToken": {
+  "auth": Object {
+    "bearerToken": Object {
       "token": "mytoken",
     },
     "type": "bearer_token",
   },
-  "gotOptions": {
-    "headers": {
+  "gotOptions": Object {
+    "headers": Object {
       "Authorization": "Bearer mytoken",
     },
   },
-  "options": {
+  "options": Object {
     "docked": false,
     "freefloating": false,
     "version": null,
@@ -83,32 +83,32 @@ GBFS {
 
 exports[`initialization with auth should correctly initialize with multiple \`headers\` 1`] = `
 GBFS {
-  "auth": {
-    "headers": [
-      {
+  "auth": Object {
+    "headers": Array [
+      Object {
         "key": "mykey",
         "value": "myvalue",
       },
-      {
+      Object {
         "key": "mysecondkey",
         "value": "mysecondvalue",
       },
-      {
+      Object {
         "key": "mythirdkey",
         "value": "mythirdvalue",
       },
     ],
     "type": "headers",
   },
-  "gotOptions": {
-    "headers": {
+  "gotOptions": Object {
+    "headers": Object {
       "mykey": "myvalue",
       "mysecondkey": "mysecondvalue",
       "mythirdkey": "mythirdvalue",
       "user-agent": "MobilityData GBFS-Validator/1.1.1 (Node 16.0.1)",
     },
   },
-  "options": {
+  "options": Object {
     "docked": false,
     "freefloating": false,
     "version": null,
@@ -119,22 +119,22 @@ GBFS {
 
 exports[`initialization with auth should correctly initialize with one \`headers\` 1`] = `
 GBFS {
-  "auth": {
-    "headers": [
-      {
+  "auth": Object {
+    "headers": Array [
+      Object {
         "key": "mykey",
         "value": "myvalue",
       },
     ],
     "type": "headers",
   },
-  "gotOptions": {
-    "headers": {
+  "gotOptions": Object {
+    "headers": Object {
       "mykey": "myvalue",
       "user-agent": "MobilityData GBFS-Validator/1.1.1 (Node 16.0.1)",
     },
   },
-  "options": {
+  "options": Object {
     "docked": false,
     "freefloating": false,
     "version": null,