diff --git a/lib/shared/emojis.test.js b/lib/shared/emojis.test.js
new file mode 100644
--- /dev/null
+++ b/lib/shared/emojis.test.js
@@ -0,0 +1,25 @@
+// @flow
+
+import { onlyOneEmojiRegex } from './emojis';
+
+describe('onlyOneEmojiRegex', () => {
+  it('should match for (👍)', () => {
+    expect('👍').toMatch(onlyOneEmojiRegex);
+  });
+
+  it('should match for (🫡)', () => {
+    expect('🫡').toMatch(onlyOneEmojiRegex);
+  });
+
+  it('should match for (🦶🏾)', () => {
+    expect('🦶🏾').toMatch(onlyOneEmojiRegex);
+  });
+
+  it('should not match for (🦶🏾🙏)', () => {
+    expect('🦶🏾🙏').not.toMatch(onlyOneEmojiRegex);
+  });
+
+  it('should not match for (that is 🔥)', () => {
+    expect('that is 🔥').not.toMatch(onlyOneEmojiRegex);
+  });
+});