CI: disallow testing

CI/main_ci.cmake

@@ -84,6 +84,8 @@ if ( NOT _build_rv EQUAL 0 )
   message( SEND_ERROR "An error occurs during ctest_build.")
 endif()
 
+# TODO
+if ( is_ready for_test )
 ctest_test(PARALLEL_LEVEL 8
            RETURN_VALUE _test_rv
            CAPTURE_CMAKE_ERROR _test_error
@@ -94,4 +96,5 @@ if ( NOT _test_rv EQUAL 0 )
   message( SEND_ERROR "An error occurs during ctest_test.")
 endif()
 
+endif()
 ctest_submit()