diff --git a/lib/helpers/ApiHelpers.ts b/lib/helpers/ApiHelpers.ts
index 884eab8..e8c1847 100644
--- a/lib/helpers/ApiHelpers.ts
+++ b/lib/helpers/ApiHelpers.ts
@@ -137,9 +137,11 @@ export class ApiHelpers {
     }
   }
 
-  async get(url: string, params?: { [key: string]: string | number | boolean; }) {
+  async get(url: string, params?: { [key: string]: string | number | boolean; }, extraHeaders?: { [key: string]: string; }) {
+    const headers = await this.getHeaders();
+    const allHeaders = { ...headers, ...extraHeaders };
     const options = {
-      headers: await this.getHeaders(),
+      headers: allHeaders,
       params: params,
       ignoreHTTPSErrors: true
     }
diff --git a/lib/helpers/DocumentApiHelper.ts b/lib/helpers/DocumentApiHelper.ts
index aa51e2c..39b2c60 100644
--- a/lib/helpers/DocumentApiHelper.ts
+++ b/lib/helpers/DocumentApiHelper.ts
@@ -1491,7 +1491,7 @@ export class DocumentApiHelper {
     return false;
   }
 
-  async createDocumentWithTwoCulturesAndTextContent(documentName: string, documentTypeId: string, textContent: string, dataTypeName: string, firstCulture: string, secondCulture: string) {
+  async createDocumentWithTwoCulturesAndTextContent(documentName: string, documentTypeId: string, textContent: string, dataTypeName: string, firstCulture: string, secondCulture: string, firstDomainName: string = '/testfirstdomain', secondDomainName: string = '/testseconddomain') {
     await this.ensureNameNotExists(documentName);
 
     const document = new DocumentBuilder()
@@ -1513,11 +1513,11 @@ export class DocumentApiHelper {
     
     const domainData = new DocumentDomainBuilder()
       .addDomain()
-        .withDomainName('/testfirstdomain')
+        .withDomainName(firstDomainName)
         .withIsoCode(firstCulture)
         .done()
       .addDomain()
-        .withDomainName('/testseconddomain')
+        .withDomainName(secondDomainName)
         .withIsoCode(secondCulture)
         .done()
       .build();
@@ -1589,4 +1589,53 @@ export class DocumentApiHelper {
     // Create document
     return await this.create(document);
   }
+
+  async createVariantDocumentWithVariantProperty(documentName: string, documentTypeId: string, dataTypeName: string, propertyVariants: {culture: string, value}[]) {
+    await this.ensureNameNotExists(documentName);
+
+    const documentDataBuilder = new DocumentBuilder()
+      .withDocumentTypeId(documentTypeId);
+
+    for (const property of propertyVariants) {
+      documentDataBuilder
+        .addVariant()
+          .withName(property.culture === 'en-US' ? documentName : documentName + ' - ' + property.culture)
+          .withCulture(property.culture)
+          .done()
+        .addValue()
+          .withAlias(AliasHelper.toAlias(dataTypeName))
+          .withValue(property.value)
+          .withCulture(property.culture)
+          .done();
+    }
+    const document = documentDataBuilder.build();
+
+    return await this.create(document);
+  }
+
+  async updateDomainsForVariantDocument(documentId: string, domains: {domainName: string, isoCode: string}[]) {
+    const domainDataBuilder = new DocumentDomainBuilder();
+    for (const domain of domains) {
+      domainDataBuilder.addDomain()
+        .withDomainName(domain.domainName)
+        .withIsoCode(domain.isoCode)
+        .done();
+    } 
+    const domainData = domainDataBuilder.build();
+    return await this.updateDomains(documentId, domainData);
+  }
+
+  async addTextstringValueToInvariantDocument(documentId: string, dataTypeName: string, textValue: string) {
+    const documentData = await this.get(documentId);
+    const textValueAlias = AliasHelper.toAlias(dataTypeName);
+    documentData.values.push({
+      alias: textValueAlias,
+      value: textValue,
+      culture: null,
+      segment: null,
+      editorAlias: 'Umbraco.Textbox',
+      entityType: 'document-property-value'
+    });
+    return await this.update(documentId, documentData);
+  }  
 }
\ No newline at end of file
diff --git a/lib/helpers/differentAppSettingsHelpers/ContentDeliveryApiHelper.ts b/lib/helpers/differentAppSettingsHelpers/ContentDeliveryApiHelper.ts
index 70ef767..250e25f 100644
--- a/lib/helpers/differentAppSettingsHelpers/ContentDeliveryApiHelper.ts
+++ b/lib/helpers/differentAppSettingsHelpers/ContentDeliveryApiHelper.ts
@@ -1,4 +1,4 @@
-import {expect} from "@playwright/test";
+import {expect} from "@playwright/test";
 import {ApiHelpers} from "../ApiHelpers";
 
 export class ContentDeliveryApiHelper {
@@ -13,23 +13,34 @@ export class ContentDeliveryApiHelper {
     return await response.json();
   }
 
-  async getContentItemWithId(id: string) {
-    return await this.api.get(this.api.baseUrl + '/umbraco/delivery/api/v2/content/item/' + id);
+  async getContentItemWithId(id: string, extraHeaders?: { [key: string]: string; }, expand?: string, fields?: string) {
+    if (expand || fields) {
+      let query = '?';  
+      if (expand) {
+        query += 'expand=' + expand;
+      }
+      if (fields) {
+        query += (query.length > 1 ? '&' : '') + 'fields=' + fields;
+      }
+      return await this.api.get(this.api.baseUrl + '/umbraco/delivery/api/v2/content/item/' + id + query, undefined, extraHeaders);
+    } else {
+      return await this.api.get(this.api.baseUrl + '/umbraco/delivery/api/v2/content/item/' + id, undefined, extraHeaders);
+    }
   }
 
-  async getContentItemWithRoute(route: string) {
-    return await this.api.get(this.api.baseUrl + '/umbraco/delivery/api/v2/content/item' + route);
+  async getContentItemWithRoute(route: string, extraHeaders?: { [key: string]: string; }) {
+    return await this.api.get(this.api.baseUrl + '/umbraco/delivery/api/v2/content/item' + route, undefined, extraHeaders);
   }
 
-  async getContentItemsWithIds(ids: string[]) {
+  async getContentItemsWithIds(ids: string[], extraHeaders?: { [key: string]: string; }) {
     let query = '?';
     for (let i = 0; i < ids.length; i++) {
       query += 'id=' + ids[i] + (i < ids.length - 1 ? '&' : ''); 
     }
-    return await this.api.get(this.api.baseUrl + '/umbraco/delivery/api/v2/content/items' + query);
+    return await this.api.get(this.api.baseUrl + '/umbraco/delivery/api/v2/content/items' + query, undefined, extraHeaders);
   }
 
-  async getContentItemsFromAQuery(fetch?: string, filter?: string, sort?: string, skip?: number, take?: number) {
+  async getContentItemsFromAQuery(extraHeaders?: { [key: string]: string; }, fetch?: string, filter?: string, sort?: string, skip?: number, take?: number) {
     let query = '';
     if (fetch) {
       query += ' fetch=' + fetch;
@@ -50,7 +61,7 @@ export class ContentDeliveryApiHelper {
       query = '?' + query.trim().replace(' ', '&');
     }
 
-    return await this.api.get(this.api.baseUrl + '/umbraco/delivery/api/v2/content' + query);
+    return await this.api.get(this.api.baseUrl + '/umbraco/delivery/api/v2/content' + query, undefined, extraHeaders);
   }
 
   async verifyBasicPropertiesForContentItem(contentName: string, contentItemJson) {
@@ -63,22 +74,27 @@ export class ContentDeliveryApiHelper {
     expect(contentItemJson.id).toBe(contentData.id);
     const contentTypeData = await this.api.documentType.get(contentData.documentType.id);
     expect(contentItemJson.contentType).toBe(contentTypeData.alias);
+  }
 
+  async verifyRoutePropertyForContentItem(contentName: string, contentItemJson, expectedRoutePath?: string) {
     // Verify route property
-    const contentUrl = await this.api.document.getDocumentUrl(contentData.id);
-    expect(contentItemJson.route.path).toBe(contentUrl);
+    if (expectedRoutePath !== undefined) {
+      expect(contentItemJson.route.path).toBe(expectedRoutePath);
+    } else {
+      const contentData = await this.api.document.getByName(contentName);
+      const contentUrl = await this.api.document.getDocumentUrl(contentData.id);
+      expect(contentItemJson.route.path).toBe(contentUrl);
+    }
   }
 
-  async verifyEditorialPropertiesForContentItem(contentName: string, contentItemJson, isVariesByCulture: boolean = false) {
+  async verifyEditorialPropertiesForInvariantContentItem(contentName: string, contentItemJson) {
     const contentData = await this.api.document.getByName(contentName);
     let expectedProperties = {};
 
-    if (!isVariesByCulture) {
-      for (const property of contentData.values) {
-        expectedProperties[property.alias] = property.value;
-      }
-      expect(contentItemJson.properties).toEqual(expectedProperties);
+    for (const property of contentData.values) {
+      expectedProperties[property.alias] = property.value;
     }
+    expect(contentItemJson.properties).toEqual(expectedProperties);
   }
 
   async verifyCulturePropertyForContentItem(contentName: string, contentItemJson, isVariesByCulture: boolean = false) {
@@ -104,4 +120,19 @@ export class ContentDeliveryApiHelper {
     expect(actualMultiUrlPickerValue[0].route.path).toBe(expectedMultiUrlPickerValue[0].url);
     expect(actualMultiUrlPickerValue[0].linkType).toBe(pickerType);
   }
+
+  async verifyPropertiesForMediaItem(mediaName: string, mediaItemJson) {
+    const mediaData = await this.api.media.getByName(mediaName);
+
+    expect(mediaItemJson.name).toBe(mediaName);
+    expect(mediaItemJson.focalPoint).toEqual(mediaData.values[0].value.focalPoint);
+    expect(mediaItemJson.crops).toEqual(mediaData.values[0].value.crops);
+    expect(mediaItemJson.id).toEqual(mediaData.id);
+    const expectedWidthValue = mediaData.values.find((p) => p.alias === 'umbracoWidth').value;
+    expect(mediaItemJson.width).toEqual(Number(expectedWidthValue));
+    const expectedHeightValue = mediaData.values.find((p) => p.alias === 'umbracoHeight').value;
+    expect(mediaItemJson.height).toEqual(Number(expectedHeightValue));
+    const expectedBytesValue = mediaData.values.find((p) => p.alias === 'umbracoBytes').value;
+    expect(mediaItemJson.bytes).toEqual(Number(expectedBytesValue));
+  }
 }
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index 978c480..ae16ca1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@umbraco/playwright-testhelpers",
-  "version": "16.0.50",
+  "version": "16.0.51",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@umbraco/playwright-testhelpers",
-      "version": "16.0.50",
+      "version": "16.0.51",
       "license": "MIT",
       "dependencies": {
         "@umbraco/json-models-builders": "2.0.40",
diff --git a/package.json b/package.json
index 994200f..eef2544 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@umbraco/playwright-testhelpers",
-  "version": "16.0.50",
+  "version": "16.0.51",
   "description": "Test helpers for making playwright tests for Umbraco solutions",
   "main": "dist/lib/index.js",
   "files": [