Add proj test for python.

Geovis/Core/Testing/CMakeLists.txt

@@ -4,3 +4,7 @@ vtk_module_test_data(
   Data/usa_image.jpg)
 
 add_subdirectory(Cxx)
+
+if (VTK_WRAP_PYTHON)
+  add_subdirectory(Python)
+endif ()

Geovis/Core/Testing/Python/CMakeLists.txt

+vtk_add_test_python(
+  TestGeoProjection.py,NO_DATA,NO_VALID,
+  )
+
+get_test_property(TK::GeovisCorePython-TestGeoProjection
+  FAIL_REGULAR_EXPRESSION fail_regex)
+list(APPEND fail_regex "Cannot find proj.db")
+set_tests_properties(VTK::GeovisCorePython-TestGeoProjection
+  PROPERTIES FAIL_REGULAR_EXPRESSION "${fail_regex}")

Geovis/Core/Testing/Python/TestGeoProjection.py

+from vtkmodules.vtkGeovisCore import vtkGeoProjection
+
+np = vtkGeoProjection.GetNumberOfProjections()
+for i in range(np):
+    print("Projection: {}\n\t{}".format(
+        vtkGeoProjection.GetProjectionName(i),
+        vtkGeoProjection.GetProjectionDescription(i)))
+projName = "rouss"
+proj = vtkGeoProjection()
+proj.SetName(projName)
+print("Projection: {}\n\t{}".format(projName, proj.GetDescription()))