diff --git a/tests/test.m b/tests/test.m
index 7e73c13..3b3163e 100644
--- a/tests/test.m
+++ b/tests/test.m
@@ -4,7 +4,7 @@
     % class based unit tests, as in https://www.mathworks.com/help/matlab/matlab_prog/class-based-unit-tests.html
     
     properties (Constant)
-        run_slow_tests = false;
+        run_slow_tests = true;
         slow_figs = [6 7 8];
         slow_tabs = 7;
     end