How To Make Your Test Automation Framework Scalable by Design

Cerberus Testing
6 min readApr 4, 2022
Image from Michele Franchi

Scalability is forgotten, until it is too late.

The definition of scalability is the capacity to be changed in size or scale, and to support an increasing number of capabilities. In the case of an automation framework, scalability translates in the number of users, application under test, executions and use-cases it can support over-time.

However, scalability is too often a missed requirement. Teams rush to implementation as there is no need for scale on a fresh project.

The problem is that scalability problems are caused by underlying design issues that are hard to solve when the whole framework has been built. That’s why you should care about scalability by design to set the right structure from the beginning, sustaining the lifetime of your test automation framework.

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Enable an increasing value through test automation

The need for scalability will materialize if the framework provides an increasing value to a set of stakeholders. For test automation, that’s about giving confidence to accelerate software delivery to cross-functional teams.



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