```cmake
set(MODULE_TESTS
  mitkImageStatisticsCalculatorTest.cpp
  mitkPointSetStatisticsCalculatorTest.cpp
  mitkPointSetDifferenceStatisticsCalculatorTest.cpp
)

set(MODULE_CUSTOM_TESTS
  mitkImageStatisticsHotspotTest.cpp
#  mitkMultiGaussianTest.cpp # TODO: activate test to generate new test cases for mitkImageStatisticsHotspotTest
)
```

Implement a new test for the mitkStatistics calculator
user
```cmake
set(MODULE_TESTS
  mitkImageStatisticsCalculatorTest.cpp
  mitkPointSetStatisticsCalculatorTest.cpp
  mitkPointSetDifferenceStatisticsCalculatorTest.cpp
  mitkImageStatisticsTextureAnalysisTest.cpp
)

set(MODULE_CUSTOM_TESTS
  mitkImageStatisticsHotspotTest.cpp
#  mitkMultiGaussianTest.cpp # TODO: activate test to generate new test cases for mitkImageStatisticsHotspotTest
)
```
assistant