Unstable tests (#7487)

Setup unstable tests

scripts/sql-test-integration.sh

@@ -12,6 +12,12 @@ else
 	VSCODEEXTDIR=`mktemp -d 2>/dev/null`
 fi
 
+if [[ "$ADS_TEST_GREP" == "" ]]; then
+	echo Running stable tests only
+	export ADS_TEST_GREP=@UNSTABLE@
+	export ADS_TEST_INVERT_GREP=1
+fi
+
 cd $ROOT
 echo VSCODEUSERDATADIR=$VSCODEUSERDATADIR
 echo VSCODEEXTDIR=$VSCODEEXTDIR