FindTIFF: Correct variable names in unit test

Tests/FindTIFF/Test/CMakeLists.txt

@@ -7,11 +7,11 @@ set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/../../../Source/Modules)
 
 find_package(TIFF REQUIRED)
 
-add_executable(test_xercesc_tgt main.c)
-target_link_libraries(test_xercesc_tgt TIFF::TIFF)
-add_test(NAME test_xercesc_tgt COMMAND test_xercesc_tgt)
+add_executable(test_tiff_tgt main.c)
+target_link_libraries(test_tiff_tgt TIFF::TIFF)
+add_test(NAME test_tiff_tgt COMMAND test_tiff_tgt)
 
-add_executable(test_xercesc_var main.c)
-target_include_directories(test_xercesc_var PRIVATE ${TIFF_INCLUDE_DIRS})
-target_link_libraries(test_xercesc_var PRIVATE ${TIFF_LIBRARIES})
-add_test(NAME test_xercesc_var COMMAND test_xercesc_var)
+add_executable(test_tiff_var main.c)
+target_include_directories(test_tiff_var PRIVATE ${TIFF_INCLUDE_DIRS})
+target_link_libraries(test_tiff_var PRIVATE ${TIFF_LIBRARIES})
+add_test(NAME test_tiff_var COMMAND test_tiff_var)