The Ice Cream Cone anti-pattern on the right demonstrates the overall of the manual tests that shouldn't happen.

It's better to keep the ratio of kinds of tests as described on the left approach, The Testing Pyramid pattern.

The Testing Honeycomb pattern is another idea of how to organize the tests on your project.

• Testing is Good. Pyramids are Bad. Ice Cream Cones are the Worst
• Unit, Integration and End-To-End Tests - Finding the Right Balance