Before testing begins, make clear what the testing must establish, what is in scope, which risks matter most, how the work will be done, and what must be ready to start and finish. Capture those decisions in a project-level test plan, then update it when scope, risk, resources, or delivery conditions change.
What a test plan should decide
A test plan turns intended testing into a practical agreement about scope, approach, resources, schedule, responsibilities, environments, techniques, and criteria. The ISTQB glossary defines a test plan as “a document describing the scope, approach, resources and schedule of intended test activities” (ISTQB glossary: test plan).
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A project plan applies broader organizational testing policy or strategy to a particular project, release, or iteration. Its level of detail should reflect the work’s size and risk: a small maintenance change may need a concise record, while safety-critical or regulated work can warrant more explicit evidence, risk treatment, roles, and approval criteria.
The plan is a communication and planning work product, not a guarantee that all risk has been removed. Its purpose is to make decisions visible: who does what, when, under which conditions, and how progress or risks will be reported.
Start with the objective and test basis
State what decision or assurance the testing is intended to support. Then identify the test basis: the requirements, specifications, acceptance criteria, user stories, or other artifacts that help determine what should be tested.
Record unclear, missing, or changing basis material as a planning risk. Where it helps coverage and later impact analysis, connect basis elements to test conditions, testware, results, and defects. If a requirement changes, that relationship helps the team assess which testing decisions and results may need review.
Define scope and prioritize by risk
Name the test items, features, or behaviors in scope. Note important exclusions and why they are excluded, so that an omission is distinguishable from an intentional boundary.
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Identify product risks by asking what could fail and considering both the likelihood and impact of each failure. Use the resulting priorities to direct test design, execution, time, and resources toward areas where failure would matter most. Risk analysis should influence planning, design, execution, and monitoring—not just appear as a final checklist—and should be revisited when the product or delivery conditions change.
Choose a testing approach that fits the risks
Decide which test levels and types are relevant, which techniques suit the test basis and risks, and what retesting or regression work is needed. Identify the tools and test deliverables required, and consider whether testing independence is appropriate. If the project will depart from organizational policy or strategy, document the deviation and its rationale.
Do not list every possible test activity by default. Make the approach explain how the planned work addresses the objective and prioritized risks.
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Make readiness and completion explicit
Before execution, agree on the prerequisites for each testing activity. Entry criteria should state what needs to be available before work starts, such as required people, testware, environments, tools, or data. Name owners and dependencies so that a missing prerequisite can be acted on rather than discovered informally after testing is scheduled.
Set exit criteria around the objective and the risk the team is willing to leave unresolved. There is no universal numeric threshold that fits every project; criteria should suit the system, context, and consequences of failure. Record how unresolved defects or residual risk will be communicated and considered in the decision to finish testing.
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Record the decisions in a usable plan
Use this checklist as a set of planning prompts, not a mandatory document template. The format can be a short record or a more formal plan, depending on project size, product risk, regulatory or safety context, team maturity, and time constraints.
- Objectives and test basis: what the testing is meant to establish and which artifacts inform it.
- Scope: test items and features included, exclusions, and the reasons for them.
- Approach: relevant levels, types, techniques, retesting, regression, tools, and deliverables.
- Risks: product risks, priorities, mitigations, and contingency considerations.
- People and communication: roles, responsibilities, testing independence where needed, and how progress or risks will be reported.
- Readiness: environment, test data, tools, and other resource requirements.
- Timing and dependencies: schedule, people and other resources, dependencies, and planned outputs.
- Criteria and tracking: entry and exit criteria, useful traceability, and progress information to collect.
Keep the plan aligned with delivery
Review the plan when scope, risks, staffing, schedule, or other delivery conditions change. Update the affected decisions and communicate the implications, including changes to priorities, prerequisites, or the evidence needed to support completion. A plan remains useful when it reflects the work the team is actually preparing to do.
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