How do you roughly estimate the time required for developing automated tests?

To estimate the time for developing automated tests, I usually consider several factors:

• The complexity of the functionality to be covered.
• The number of scenarios and variations of tests.
• The availability and quality of the testing environment and data.
• The tools and frameworks used.

Approximate approach:

1. Assess the number of test cases.
2. Estimate the average time to write one test (e.g., 1-2 hours).
3. Add time for environment setup and debugging.

For example, if 10 tests need to be written, and each takes about 1.5 hours, plus 4 hours for setup, the total will be about 19 hours.