Delete sldd only for algo and expcode tests

avoid concurrency issues when running unittests and other tests parallel

tests/SCDalgo_test.m

@@ -10,6 +10,11 @@ classdef SCDalgo_test < SCDtest
       testCase.assertWarningFree(@() evalin('base','clear'));
     end
     
+    function clear_sldd(testCase)
+      SCD.clean_dd
+      testCase.assertTrue(true);
+    end
+    
     function setup_conf(testCase)
       testCase.assertWarningFree(@() SCDconf_setConf('SIM'));
     end

tests/test_expcodes.m

@@ -19,6 +19,9 @@ classdef test_expcodes < SCDtest
       testCase.addTeardown(@path,path);
       testCase.addTeardown(@() SCDclass_expcode.close_all(0))
       
+      % Clean data dictionaries
+      SCD.clean_dd;
+
       basePath = fullfile(fileparts(mfilename('fullpath')),'..');
       run(fullfile(basePath,'rtccode_paths'));