```cmake
vtk_module(vtkRenderingMatplotlib
  IMPLEMENTS
    vtkRenderingMathText
  DEPENDS
    vtkRenderingCore
    vtkWrappingPython
  TEST_DEPENDS
    vtkInteractionImage
    vtkInteractionWidgets
    vtkIOExport
    vtkTestingRendering
    vtkRenderingGL2PS
    vtkRenderingOpenGL
    vtkRenderingFreeTypeOpenGL
    vtkViewsContext2D
  EXCLUDE_FROM_WRAPPING
  )
```

Add missing testing dependency for Rendering/Matplotlib.
user
```cmake
vtk_module(vtkRenderingMatplotlib
  IMPLEMENTS
    vtkRenderingMathText
  DEPENDS
    vtkRenderingCore
    vtkWrappingPython
  TEST_DEPENDS
    vtkInteractionImage
    vtkInteractionWidgets
    vtkIOExport
    vtkIOGeometry
    vtkTestingRendering
    vtkRenderingGL2PS
    vtkRenderingOpenGL
    vtkRenderingFreeTypeOpenGL
    vtkViewsContext2D
  EXCLUDE_FROM_WRAPPING
  )
```
assistant