Add stacklight tests from stackligth-pytest repo

Change-Id: I2d2ea6201b6495c35bed57d71450b30b0e0ff49f
Relates-Task: #PROD-21318(PROD:21318)
diff --git a/Dockerfile b/Dockerfile
index cd6b073..960ec96 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,6 +10,8 @@
 
 USER root
 ARG UBUNTU_MIRROR_URL="http://archive.ubuntu.com/ubuntu"
+ARG SL_TEST_REPO='http://gerrit.mcp.mirantis.com/mcp/stacklight-pytest'
+ARG SL_TEST_BRANCH='master'
 
 WORKDIR /var/lib/
 COPY bin/ /usr/local/bin/
@@ -23,26 +25,37 @@
     echo "deb [arch=amd64] $UBUNTU_MIRROR_URL xenial-updates main restricted universe multiverse" >> sources.list && \
     echo "deb [arch=amd64] $UBUNTU_MIRROR_URL xenial-backports main restricted universe multiverse" >> sources.list && \
     popd ; apt-get update && apt-get  upgrade -y && \
-    apt-get install -y build-essential curl git-core iputils-ping libffi-dev libldap2-dev libsasl2-dev libssl-dev patch python-dev python-pip python3-dev vim-tiny wget \
-    python-virtualenv python3-virtualenv && \
+    apt-get install -y build-essential curl git-core iputils-ping libffi-dev libldap2-dev libsasl2-dev libssl-dev patch python-dev python-pip  vim-tiny wget \
+    python-virtualenv \
+# Enable these packages while porting to Python3  =>  python3-virtualenv python3-dev  \
 # Due to upstream bug we should use fixed version of pip
-    python -m pip install --upgrade 'pip==9.0.3' \
+    && python -m pip install --upgrade 'pip==9.0.3'  \
     # initialize cvp sanity test suite
           && pushd cvp-sanity  \
-          && virtualenv  venv \
+          && virtualenv --python=python2  venv \
           && . venv/bin/activate \
           && pip install -r requirements.txt \
           && deactivate \
           && popd \
     # initialize cvp spt test suite
           && pushd cvp-spt  \
-          && virtualenv  venv \
+          && virtualenv --python=python2  venv \
           && . venv/bin/activate \
           && pip install -r requirements.txt \
           && deactivate \
-          && popd && \
+          && popd  \
+    # initialize cvp stacklight test suite
+          && mkdir cvp-stacklight \
+          && pushd cvp-stacklight  \
+          && virtualenv --system-site-packages venv \
+          && . venv/bin/activate \
+          && git clone -b $SL_TEST_BRANCH $SL_TEST_REPO  \
+          && pip install ./stacklight-pytest \
+          && pip install -r stacklight-pytest/requirements.txt  \
+          && deactivate \
+          && popd  \
 # Cleanup
-    apt-get -y purge libx11-data xauth libxmuu1 libxcb1 libx11-6 libxext6 ppp pppconfig pppoeconf popularity-contest cpp gcc g++ libssl-doc && \
+    && apt-get -y purge libx11-data xauth libxmuu1 libxcb1 libx11-6 libxext6 ppp pppconfig pppoeconf popularity-contest cpp gcc g++ libssl-doc && \
     apt-get -y autoremove; apt-get -y clean ; rm -rf /root/.cache; rm -rf /var/lib/apt/lists/* && \
     rm -rf /tmp/* ; rm -rf /var/tmp/* ; rm -rfv /etc/apt/sources.list.d/* ; echo > /etc/apt/sources.list