Fidelity Investments has adopted combinatorial test design from Hexawise as a common approach across testing groups. Goals for this initiative include curbing the constant expansion of regression test suites, improving test coverage, and eliminating the repetition of test cases in multiple testing layers. Case studies from two separate Fidelity projects (services testing and front-end integration with services) will examine the problems addressed by this test design strategy and will highlight the following: • Benefits delivered in increased coverage and test case reduction • Optimized...
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