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Why creating Quality Test cases as considered as Testing Skill?

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🏅 It answers The candidate has Domain Knowledge
🥈 It answers can testers works personas Mindset.
🥉 It answers testers have followed the testing Principles and Methodology.

 How can any excel at creating quality rich test cases ?

For Manual Testing:


Review Requirements:

Go back to the requirements and specifications. Ensure that you have a clear understanding of what the system is supposed to do. This can often spark ideas for additional test cases.

Exploratory Testing:

Perform exploratory testing. Explore the application or system as a user might and note down scenarios that come to mind during this exploration.

Edge Cases:

Identify edge cases and boundary conditions. Test the application with the minimum and maximum allowed values. This can uncover potential issues that might not be obvious in regular scenarios.


Negative Testing:

Include negative test cases to check how the system handles invalid inputs, unexpected behavior, and error conditions.

User Personas:

Consider different user personas. Each type of user may have different interactions with the system. Tailor test cases to cover the needs and expectations of various user roles.

Concurrency and Load Testing:

If applicable, design test cases to check how the system handles concurrent users or heavy loads.


Usability Testing:

Include test cases related to the usability of the system. Check if the user interface is intuitive, if there are clear error messages, and if the system is user-friendly.

For Automation Testing:

Test Data Variations:

Automate test cases with different sets of test data. This could include valid and invalid inputs, as well as boundary values.

Regression Testing:

Automate regression test cases to ensure that new changes or features do not negatively impact existing functionality.

Data-Driven Testing:

If applicable, use data-driven testing techniques to parameterize your test cases and execute them with different sets of input data.

Test Different Browsers/Devices:

If your application supports multiple browsers or devices, automate test cases to run on different combinations to ensure cross-browser compatibility.

API Testing:

If your application has APIs, automate test cases to verify their functionality, response codes, and data integrity.

Performance Testing:

Automate performance test cases to simulate different load scenarios and measure system response times.

Security Testing:

Automate test cases to check the security features of the application, such as authentication and authorization.

Integration Testing:

Automate test cases to verify the integration points between different components or systems.


General Tips:


Collaborate with the Team:
Discuss your test cases with team members or stakeholders. They may provide valuable insights and suggest additional scenarios.

Revisit Test Design Techniques:
Consider revisiting test design techniques such as equivalence partitioning, boundary value analysis, and decision tables to generate more test cases.

Continuous Learning:
Stay informed about the application, industry best practices, and testing methodologies. Continuous learning can help you think more critically about potential scenarios.

Feedback and Retrospective:
After testing, gather feedback from the team and conduct retrospectives to identify areas for improvement in test case generation.

Remember that the goal is not necessarily to have a large number of test cases, but to have effective and meaningful ones that cover the critical aspects of the system. Quality is more important than quantity.


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