diff --git a/tests/cypress/integration/core/clearContent.spec.ts b/tests/cypress/integration/core/clearContent.spec.ts
new file mode 100644
index 00000000..d0edde38
--- /dev/null
+++ b/tests/cypress/integration/core/clearContent.spec.ts
@@ -0,0 +1,36 @@
+/// <reference types="cypress" />
+
+import { Editor } from '@tiptap/core'
+import Document from '@tiptap/extension-document'
+import Paragraph from '@tiptap/extension-paragraph'
+import Text from '@tiptap/extension-text'
+
+describe('clearContent', () => {
+  it('returns true when clearing the content', () => {
+    const editor = new Editor({
+      extensions: [
+        Document,
+        Paragraph,
+        Text,
+      ],
+    })
+
+    const command = editor.commands.clearContent()
+
+    expect(command).to.be.true
+  })
+
+  it('clears the content when using clearContent', () => {
+    const editor = new Editor({
+      extensions: [
+        Document,
+        Paragraph,
+        Text,
+      ],
+    })
+
+    editor.commands.clearContent()
+
+    expect(editor.getHTML()).to.eq('<p></p>')
+  })
+})
diff --git a/tests/cypress/integration/core/insertHTML.spec.ts b/tests/cypress/integration/core/insertHTML.spec.ts
new file mode 100644
index 00000000..2c9cbfac
--- /dev/null
+++ b/tests/cypress/integration/core/insertHTML.spec.ts
@@ -0,0 +1,36 @@
+/// <reference types="cypress" />
+
+import { Editor } from '@tiptap/core'
+import Document from '@tiptap/extension-document'
+import Paragraph from '@tiptap/extension-paragraph'
+import Text from '@tiptap/extension-text'
+
+describe('insertHTML', () => {
+  it('returns true when inserting HTML', () => {
+    const editor = new Editor({
+      extensions: [
+        Document,
+        Paragraph,
+        Text,
+      ],
+    })
+
+    const command = editor.commands.insertHTML('<p>Cindy Lauper</p>')
+
+    expect(command).to.be.true
+  })
+
+  it('appends the content when using insertHTML', () => {
+    const editor = new Editor({
+      extensions: [
+        Document,
+        Paragraph,
+        Text,
+      ],
+    })
+
+    editor.commands.insertHTML('<p>Cindy Lauper</p>')
+
+    expect(editor.getHTML()).to.eq('<p></p><p>Cindy Lauper</p>')
+  })
+})
diff --git a/tests/cypress/integration/core/setContent.spec.ts b/tests/cypress/integration/core/setContent.spec.ts
new file mode 100644
index 00000000..b5394269
--- /dev/null
+++ b/tests/cypress/integration/core/setContent.spec.ts
@@ -0,0 +1,36 @@
+/// <reference types="cypress" />
+
+import { Editor } from '@tiptap/core'
+import Document from '@tiptap/extension-document'
+import Paragraph from '@tiptap/extension-paragraph'
+import Text from '@tiptap/extension-text'
+
+describe('setContent', () => {
+  it('returns true when setting the content', () => {
+    const editor = new Editor({
+      extensions: [
+        Document,
+        Paragraph,
+        Text,
+      ],
+    })
+
+    const command = editor.commands.setContent('<p>Cindy Lauper</p>')
+
+    expect(command).to.be.true
+  })
+
+  it('replaces the content when using setContent', () => {
+    const editor = new Editor({
+      extensions: [
+        Document,
+        Paragraph,
+        Text,
+      ],
+    })
+
+    editor.commands.setContent('<p>Cindy Lauper</p>')
+
+    expect(editor.getHTML()).to.eq('<p>Cindy Lauper</p>')
+  })
+})