Test plan is a document that contains the scope, approach, test design and test strategies. It INCLUDES the following:
1. Test case identifier.
2. Scope.
3. Features to be tested.
4. Features not to be tested.
5. Test strategy.
6. Test Approach.
7. Test Deliverables.
8. Responsibilities.
9 . Staffing and TRAINING.
10. Risk and Contingencies.
11. APPROVAL.

While A test case is a noted/documented set of steps/activities that are carried out or executed on the software in order to confirm its functionality/behavior to certain set of inputs.

Test plan is a document that contains the scope, approach, test design and test strategies. It includes the following:
1. Test case identifier.
2. Scope.
3. Features to be tested.
4. Features not to be tested.
5. Test strategy.
6. Test Approach.
7. Test Deliverables.
8. Responsibilities.
9 . Staffing and Training.
10. Risk and Contingencies.
11. Approval.

While A test case is a noted/documented set of steps/activities that are carried out or executed on the software in order to confirm its functionality/behavior to certain set of inputs.