AssertTrue(isDecoupled(“my tests”))
summary
Decoupling tests cuts maintenance cost by preventing tiny UI or schema changes from turning half the suite red. Examples: brittle Selenium UI tests become resilient when replaced by page objects plus a business-level DSL; move assertions from UI to a service layer that uses interfaces so test doubles (email gateway spy, payment adapter) verify behavior without sending emails or charging cards; use object-mother/test-builder factories for fixtures so schema changes only require one update. The result: far fewer UI tests, faster feedback, and a more stable suite.
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