Download - Lean testing
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Lean Software Testing forIncreasing Customer Valueand Reducing ExecutionCycle Time
Chandan pataryAgile Coach , Global Program Manager,ABB
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Abstract: • Is our test team doing the right work ?
• How can we achieve below target?
• Reduce cycle time from 15 months production to release cycle to 10 months
• Improve Defect removal efficiency from 75% to greater than 90%
• Reduce regression cycle time by 50%
• What we have done?
• Lean Mindset and Think Beyond
• Flow optimization and Cycle time reduction steps
• Empowered team
• Requirement Engineering
• Increase engagement through gamification
• Risks based test strategy
• Team dashboard
• Coverage , have we done enough?
• Impediments and remove the blockings.
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Change our thinking process?
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Think Beyond
• See the whole.• Focus only on value
adding activities• Constant customer
Value generation
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How can we help Stream to flow and flow….
• Constantly optimizethe flow , removethe impedimentsfrom the system
• Make several tasksparallel and doconstant handshake
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Value generation model
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What did we do to reduce the cycle time?
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Empowered Team to take action
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Gamifying work: -How we have implemented Fun, play and work
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Requirement Engineering: Are we solving the right puzzle ?
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Expectation from Our Lean test engineers
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Impact Based Testing to reduce regression cycle time
• Where are the most changes? get thedata from code churn report?
• Assess the areas impacted andfunctionalities?
• Concentrate testing towards that area
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Quality Coverage: Have we done enough?
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Dashboard: Are we able to see everything ?
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Common Impediments and Mitigation
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Key Takeaway
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Source :
a) http://www.cutorcopy.com/developer-vs-tester/b) http://pacgenesis.com/blog/over-the-wall/c) https://stevenbarbour.wikispaces.com/Optical+Illusionsd) http://themarketplace.net.au/about_questions.phpe) http://www.leansimulations.org/2011/08/video-how-to-read-value-stream-map.htmlf) Movie 300g) http://angry-birds.en.softonic.com/h) http://www.gobizkorea.com/catalog/product_view.jsp?blogId=mediana&objId=759251
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Q & A