-$ $SG_TEST_EXENV ./simdag_tracing --cfg=tracing:1 --cfg=tracing/categorized:1 ${srcdir:=.}/2clusters.xml
-> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'tracing' to '1'
-> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'tracing/categorized' to '1'
+$ $SG_TEST_EXENV ./simdag_tracing --cfg=tracing:yes --cfg=tracing/categorized:yes ${srcdir:=.}/2clusters.xml
+> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'tracing' to 'yes'
+> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'tracing/categorized' to 'yes'