cmake: Disable some tests on Windows.

They work when executed manually but not with ctest.

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
diff --git a/example/CMakeLists.txt b/example/CMakeLists.txt
index def36ff..e46a4fc 100644
--- a/example/CMakeLists.txt
+++ b/example/CMakeLists.txt
@@ -42,6 +42,8 @@
     add_test(calculator_test ${CMAKE_CURRENT_BINARY_DIR}/calculator_test)
 endif (NOT WIN32)
 
+# FIXME These tests fail on Windows when run with ctest but look correct excuted manually.
+if (NOT WIN32)
 ### Allocate module test
 add_executable(allocate_module_test allocate_module.c allocate_module_test.c)
 target_link_libraries(allocate_module_test ${CMOCKA_SHARED_LIBRARY})
@@ -84,6 +86,7 @@
 if (WIN32)
     set_tests_properties(assert_module_test PROPERTIES ENVIRONMENT "PATH=${DLL_PATH_ENV}")
 endif (WIN32)
+endif (NOT WIN32) # FIXME FAIL
 
 ### Customer database test
 add_executable(customer_database_test customer_database.c customer_database_test.c)