Engineering

Why Synthetic Data Fixes RPA Regression Testing Gaps

David Park||7 min
+T

Every enterprise RPA bot eventually hits a UI change or a data edge case. Real regression tests are slow, expensive, and risky. Teams spend weeks patching brittle scripts instead of building reliable systems. The problem is not a lack of test cases. It is a lack of realistic, safe data to run them against.

The Real Cost of RPA Regression Failures

A 2023 industry survey found that 68% of enterprises experienced at least one critical RPA outage in the past year. The average cost per outage was over $180,000, largely due to lost productivity, manual rework, and customer impact. Regression testing is supposed to prevent outages, but many teams rely on a small set of production snapshots. When the UI shifts, those snapshots miss new edge cases. Teams then discover failures in production, after the bot has already processed thousands of records.

Why Real Data Limits Test Coverage

Production data is valuable, but it is also risky. Sending real customer records to test environments can expose PII, confidential contracts, or financial details. Most organizations restrict test data access to prevent leaks. This creates a feedback loop: teams cannot safely test with the data they need, so they test with what they have. That leads to shallow coverage, intermittent failures, and a false sense of security. Synthetic data solves this by generating realistic records that look like production data without carrying any real information.

How Synthetic Data Closes the Gap

  • Generates thousands of unique, realistic input records in seconds.
  • Encodes the shape of production data: file names, field formats, error messages, and edge cases.
  • Runs on private environments, eliminating data privacy risks.
  • Keeps test suites fast, because you do not need to copy large production tables.
  • Allows teams to stress-test RPA bots with volume and concurrency that would be impractical with real data.

The takeaway is simple: synthetic data lets you test every edge case safely, at scale, without touching production. This is the only way to build RPA systems that survive UI changes and data anomalies.

How Coasty Fits

Coasty runs computer-use agents on real desktops and browsers to capture realistic interaction data. That means the synthetic datasets it produces mirror how humans actually click, type, and navigate applications. The Coasty synthetic data service is custom and contact-led. Teams work directly with the Coasty data team to define the scenarios, data shapes, and environments they need. This approach ensures the synthetic datasets match the exact workflows and data patterns of the target systems.

If you are building or maintaining RPA bots and want to shrink regression failures, start by expanding your test data coverage safely. Book a data call with the Coasty data team to explore how synthetic data can support your automation testing at https://cal.com/coasty/coasty-data-call .

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