TestSuite
  1. Sample3ImplTest.testConstructor1() * 1
  2. Sample3TestI.suite() (inner factory 1 + inner factory 2)
      1. Sample1TestI.suite()
          1. Sample1TestI.testAddString1() * 2
          2. Sample1TestI.testAddString2() * 2
      2. Sample3TestI.testGetAddedStrings1() * 2
      3. Sample4TestI.suite()
          1. Sample4TestI.testProcessString1() * 2
  3. Sample2TestI.suite() (Sample2ImplFactory)
      1. testConstructor1() * 1
      2. testGetStrings1() * 1
      3. testGetStrings2() * 1

Figure 3: Test containment of the returned test.