Add a knob to disable pesky early_cancel_lost100 test, it's finicky

on some architectures under emulation.

Author: sobomax

functions

@@ -109,10 +109,10 @@ then
   TEST_SET="${TEST_SET},inv_brkn1"
 fi
 
-#if [ "${MM_TYPE}" != "opensips" -o "${MM_BRANCH}" = "1.11" ]
-#then
-TEST_SET="${TEST_SET},early_cancel_lost100"
-#fi
+if [ -z "${NO_early_cancel_lost100}" ]
+then
+  TEST_SET="${TEST_SET},early_cancel_lost100"
+fi
 
 #if [ "${MM_TYPE}" = "kamailio" ]
 #then