Update cmake for better testing

CMakeLists.txt

@@ -84,8 +84,8 @@ FOREACH(test_type_dir ${test_types})
     GET_FILENAME_COMPONENT(test_type ${test_type_dir} NAME)
     FILE(GLOB test_targets "${test_type_dir}/*/")
     FOREACH(test_target_dir ${test_targets})
+      GET_FILENAME_COMPONENT(test_target ${test_target_dir} NAME)
       IF(IS_DIRECTORY ${test_target_dir})
-        GET_FILENAME_COMPONENT(test_target ${test_target_dir} NAME)
         MESSAGE("----> ${test_target}")
         IF(${test_type} MATCHES io_tests)
           FILE(GLOB in_files "${test_target_dir}/*.in")
@@ -105,7 +105,11 @@ FOREACH(test_type_dir ${test_types})
           MESSAGE(FATAL_ERROR "Error: unknown test type ${test_type}")
         ENDIF()
       ELSE()
-        MESSAGE(FATAL_ERROR "${test_target_dir} is no directory")
+        string(COMPARE EQUAL ${test_target} .keep is_keep)
+        IF(${is_keep})
+        ELSE()
+          MESSAGE(FATAL_ERROR "${test_target_dir} is no directory")
+        ENDIF()
       ENDIF()
     ENDFOREACH()
   ELSE()