diff --git a/packages/core/index.ts b/packages/core/index.ts
index 822ac111..eb825360 100644
--- a/packages/core/index.ts
+++ b/packages/core/index.ts
@@ -12,6 +12,7 @@ export { default as nodeInputRule } from './src/inputRules/nodeInputRule'
 export { default as markInputRule } from './src/inputRules/markInputRule'
 export { default as markPasteRule } from './src/pasteRules/markPasteRule'
 
+export { default as capitalize } from './src/utils/capitalize'
 export { default as getSchema } from './src/utils/getSchema'
 export { default as generateHtml } from './src/utils/generateHtml'
 export { default as getHtmlFromFragment } from './src/utils/getHtmlFromFragment'
diff --git a/tests/cypress.json b/tests/cypress.json
index 3db2baab..e99c1117 100644
--- a/tests/cypress.json
+++ b/tests/cypress.json
@@ -1,7 +1,7 @@
 {
   "baseUrl": "http://localhost:3000",
-  "integrationFolder": "../docs/src/",
-  "testFiles": "**/*.spec.js",
+  "integrationFolder": "../",
+  "testFiles": "{docs,tests}/**/*.spec.{js,ts}",
   "viewportWidth": 1280,
   "viewportHeight": 1280
 }
diff --git a/tests/cypress/integration/core/capitalize.spec.ts b/tests/cypress/integration/core/capitalize.spec.ts
new file mode 100644
index 00000000..9523d0f0
--- /dev/null
+++ b/tests/cypress/integration/core/capitalize.spec.ts
@@ -0,0 +1,9 @@
+import { capitalize } from '@tiptap/core'
+
+describe('capitalize test', () => {
+  it('capitalize a word', () => {
+    const capitalized = capitalize('test')
+
+    expect(capitalized).to.eq('Test')
+  })
+})
diff --git a/tests/cypress/integration/core/example.spec.ts b/tests/cypress/integration/core/example.spec.ts
new file mode 100644
index 00000000..985f70da
--- /dev/null
+++ b/tests/cypress/integration/core/example.spec.ts
@@ -0,0 +1,5 @@
+describe('example test', () => {
+  it('should work', () => {
+    expect('<p>Example Text</p>').to.eq('<p>Example Text</p>')
+  })
+})
diff --git a/tests/cypress/tsconfig.json b/tests/cypress/tsconfig.json
new file mode 100644
index 00000000..dcb69cf8
--- /dev/null
+++ b/tests/cypress/tsconfig.json
@@ -0,0 +1,11 @@
+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "noEmit": false,
+    "sourceMap": false
+  },
+  "include": [
+    "../node_modules/cypress",
+    "./*/*.ts"
+  ]
+}