6.7.1. Introduction to the test hierarchy
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### 6.7.1. Introduction to the test hierarchy

The following sections describe the test hierarchy in the ITE. Basically, you can think of the test hierarchy as a tree structure which can be of any size, complexity and depth (Figure 6.1, “Test Hierarchy”).

Figure 6.1. Test Hierarchy

The hierarchical structure gives you flexibility in your tests to make changes and keep the test in touch with current software development.