fix name change ctkDICOMDatasetViewTest1 -> ctkDICOMItemViewTest1

Ctest was failig because the arguments referred to a test that
didn't exist anymore.

Libs/DICOM/Widgets/Testing/Cpp/CMakeLists.txt

@@ -27,7 +27,7 @@ target_link_libraries(${KIT}CppTests ${LIBRARY_NAME})
 #
 
 SIMPLE_TEST(ctkDICOMAppWidgetTest1 ${CTKData_DIR}/Data/DICOM/MRHEAD)
-SIMPLE_TEST(ctkDICOMDatasetViewTest1 ${CTKData_DIR}/Data/DICOM/MRHEAD/000055.IMA)
+SIMPLE_TEST(ctkDICOMItemViewTest1 ${CTKData_DIR}/Data/DICOM/MRHEAD/000055.IMA)
 SIMPLE_TEST(ctkDICOMDirectoryListWidgetTest1)
 SIMPLE_TEST(ctkDICOMImageTest1 ${CTKData_DIR}/Data/DICOM/MRHEAD/000055.IMA)
 SIMPLE_TEST(ctkDICOMImportWidgetTest1)