diff --git a/bench.sh b/bench.sh
index 8bfab83f..bb63424b 100755
--- a/bench.sh
+++ b/bench.sh
@@ -1,21 +1,24 @@
 #!/bin/bash
 SKIP_CONFIG=false
 PROFILE=CE
+GROUP="${GROUP:-scenarios}"
 
 usage() {
   echo "Usage: bench.sh [-p PROFILE] [-C] [num_runs]"
   echo "Options:"
   echo -e "\t-p CE|PRO default is CE"
   echo -e "\t-C skips configuration of the environment"
+  echo -e "\t-x set GROUP scenario. Default: scenarios"
   echo -e "\t-h this help"
   echo -e "num_runs default is 20"
 }
 
-while getopts 'hCp:' opt; do
+while getopts 'hCp:x:' opt; do
   case $opt in
     h) usage; exit 0;;
     C) SKIP_CONFIG=true;;
     p) PROFILE=${OPTARG};;
+    x) GROUP=${OPTARG};;
 	*) echo "Unknown option $opt"; usage; exit 1;;
   esac
 done
@@ -28,7 +31,7 @@ if [ "${PROFILE}" != "CE" ] && [ "${PROFILE}" != "PRO" ]; then
 fi
 
 NUM=${1:-20}
-RUN_OPS=(-C -c -r -p"${PROFILE}")
+RUN_OPS=(-C -c -r -p"${PROFILE}" -x"${GROUP}")
 
 # clean previous
 rm -rf log_* result_*
@@ -39,8 +42,11 @@ export BASE_DIR
 if ! "${SKIP_CONFIG}" ; then
 	export PERL5LIB="${BASE_DIR}/lib"
 	echo "add configuration for tests"
-	./bin/config_debug.pl on
-	ngcpcfg apply 'k-c-t on'
+	./bin/config_debug.pl -g"${GROUP}" on
+	(
+    cd /etc/ngcp-config || true
+    ngcpcfg apply "k-c-t ${GROUP} on"
+  )
 fi
 
 echo "$(date) - Starting $NUM tests"
@@ -67,6 +73,9 @@ set +o pipefail
 
 if ! "${SKIP_CONFIG}" ; then
 	echo "remove configuration for tests"
-	./bin/config_debug.pl off
-	ngcpcfg apply 'k-c-t off'
+	./bin/config_debug.pl -g"${GROUP}" off
+	(
+    cd /etc/ngcp-config || true
+    ngcpcfg apply "k-c-t ${GROUP} off"
+  )
 fi
\ No newline at end of file
diff --git a/bin/generate_test_tt2.pl b/bin/generate_test_tt2.pl
index 58286e00..4486c0f2 100755
--- a/bin/generate_test_tt2.pl
+++ b/bin/generate_test_tt2.pl
@@ -93,6 +93,8 @@ sub subst_common
     $line =~ s/^: Sipwise .+/: Sipwise NGCP Proxy/;
   } elsif($line =~ /^Content-Length: [1-9]/i) {
     $line =~ s/: \d+/: \\d+/;
+  } elsif($line =~ /^P-LB-Uptime: /i) {
+    $line =~ s/: \d+/: \\d+/;
   }
   return $line;
 }
diff --git a/bin/show_flow_diff.pl b/bin/show_flow_diff.pl
index 76ecffd6..0037ac1e 100755
--- a/bin/show_flow_diff.pl
+++ b/bin/show_flow_diff.pl
@@ -29,6 +29,7 @@ use YAML::XS;
 use utf8;
 use JSON;
 use Text::Diff;
+use Scalar::Util qw(reftype);
 
 sub usage
 {
@@ -59,21 +60,49 @@ my $log;
   $log = decode_json($json);
 }
 
+sub str_values
+{
+  my $data = shift;
+  my $res = shift;
+
+  foreach my $key (keys %{$data})
+  {
+    my $_type = defined(reftype($data->{$key})) ? reftype($data->{$key}) : "HASH";
+    if( $_type eq 'ARRAY') {
+      $res .= "      ".$key.": [\n";
+      foreach my $val (@{$data->{$key}}){
+        $res .= "        ".$val.",\n";
+      }
+      $res .= "      ]\n";
+    } elsif( $_type eq 'HASH') {
+      $res .= "      ".$key.": ".$data->{$key}."\n";
+    }
+  }
+  return $res;
+}
+
 my $text_yml = "";
 foreach my $i (@{$test->{'flow'}})
 {
   foreach my $key (keys %{$i})
   {
     $text_yml .= "  - ".$key.":\n";
+    if($i->{$key}) {
+      $text_yml = str_values($i->{$key}, $text_yml);
+    }
   }
 }
 
 my $text_json = "";
-foreach my $i (@{$log->{'flow'}})
+while (my ($index, $element) = each(@{$log->{'flow'}}))
 {
-  foreach my $key (keys %{$i})
+  my $element_yml = @{$test->{'flow'}}[$index];
+  foreach my $key (keys %{$element})
   {
     $text_json .= "  - ".$key.":\n";
+    if(defined($element_yml->{$key})) {
+      $text_json = str_values($element_yml->{$key}, $text_json);
+    }
   }
 }
 
diff --git a/scenarios/invite_conference_update/media181sec.pcap b/scenarios/invite_conference_update/media181sec.pcap
deleted file mode 100644
index a8bed169..00000000
Binary files a/scenarios/invite_conference_update/media181sec.pcap and /dev/null differ
diff --git a/scenarios/invite_conference_update/media181sec.pcap b/scenarios/invite_conference_update/media181sec.pcap
new file mode 120000
index 00000000..d95ed875
--- /dev/null
+++ b/scenarios/invite_conference_update/media181sec.pcap
@@ -0,0 +1 @@
+../media181sec.pcap
\ No newline at end of file
diff --git a/set_config.sh b/set_config.sh
index 9e9e3748..117433d5 100755
--- a/set_config.sh
+++ b/set_config.sh
@@ -32,6 +32,7 @@ echo "$(date) - Removed apicert.pem"
 rm -f "${BASE_DIR}/apicert.pem"
 echo "$(date) - Setting config debug on"
 "${BIN_DIR}/config_debug.pl" -g "${GROUP}" on ${DOMAIN}
+cd /etc/ngcp-config || exit 3
 if ! ngcpcfg apply "config debug on via kamailio-config-tests" ; then
   echo "$(date) - ngcpcfg apply returned $?"
   error_flag=4