Unverified50% confidenceFactExact time
据行业调研，企业级测试套件中约30%-40%的维护时间花在修复因 selector 失效导致的测试失败上
1
Sources
50%
Confidence
Long-term
Relevance
8/20/2026
First Seen
Sources
Related Claims
UnverifiedTest case design and writing typically accounts for 30% to 50% of the labor hours in the entire testing cycle.70% similarUnverified大型项目中端到端测试的维护成本可占测试总投入的40%-60%68% similarUnverified根据Gartner的研究，测试设计阶段（测试策略制定、用例编写）占据测试总工时的40%-60%67% similarUnverifiedIndustry data shows that defects caused by requirements misunderstanding account for 40%–60% of total defects66% similarUnverifiedAutomated testing tools such as Testim and Mabl have reduced test script maintenance costs by 50%–70% through self-healing technology65% similar
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