diff --git a/examples/integration/_client.sh b/examples/integration/_client.sh
index 98e7eef..1b383e2 100755
--- a/examples/integration/_client.sh
+++ b/examples/integration/_client.sh
@@ -5,10 +5,18 @@ cp /integration/client_test_rsa ~/.ssh/id_rsa
 chmod -R 700 ~/.ssh
 cat >~/.ssh/config <<EOF
 Host sshportal
-    UserKnownHostsFile /dev/null
-    StrictHostKeyChecking no
     Port 2222
     HostName sshportal
+
+Host testserver
+    Port 2222
+    HostName testserver
+
+Host *
+    StrictHostKeyChecking no
+    ControlMaster auto
+    SendEnv TEST_*
+
 EOF
 
 set -x
@@ -53,4 +61,11 @@ ssh sshportal -l admin config backup --indent --ignore-events  > backup-2
 )
 
 # bastion
-# TODO
+ssh sshportal -l admin host create --name=testserver toto@testserver:2222
+out="$(ssh sshportal -l testserver echo hello | head -n 1)"
+test "$out" = '{"User":"toto","Environ":null,"Command":["echo","hello"]}'
+
+out="$(TEST_A=1 TEST_B=2 TEST_C=3 TEST_D=4 TEST_E=5 TEST_F=6 TEST_G=7 TEST_H=8 TEST_I=9 ssh sshportal -l testserver echo hello | head -n 1)"
+test "$out" = '{"User":"toto","Environ":["TEST_A=1","TEST_B=2","TEST_C=3","TEST_D=4","TEST_E=5","TEST_F=6","TEST_G=7","TEST_H=8","TEST_I=9"],"Command":["echo","hello"]}'
+
+# TODO: test more cases (forwards, scp, sftp, interactive, pty, stdin, exit code, ...)
diff --git a/examples/integration/docker-compose.yml b/examples/integration/docker-compose.yml
index a9b2349..b1aa614 100644
--- a/examples/integration/docker-compose.yml
+++ b/examples/integration/docker-compose.yml
@@ -6,6 +6,14 @@ services:
     environment:
       - SSHPORTAL_DEFAULT_ADMIN_INVITE_TOKEN=integration
     command: server --debug
+    depends_on:
+      - testserver
+    ports:
+      - 2222
+
+  testserver:
+    image: moul/sshportal
+    command: _test_server
     ports:
       - 2222
 
@@ -13,6 +21,7 @@ services:
     build: .
     depends_on:
       - sshportal
+      - testserver
     #volumes:
     #  - .:/integration
     tty: true