Additional unit test dependencies

Add python-yaml to docker image
Add sdbusplus/server.hpp to dependency list in unit test script

Change-Id: I0533ea40bf582fda5b1bc449436e18a2608e3483
Signed-off-by: Matthew Barth <msbarth@us.ibm.com>
diff --git a/build-unit-test-docker.sh b/build-unit-test-docker.sh
index 8449d2f..2fe5256 100755
--- a/build-unit-test-docker.sh
+++ b/build-unit-test-docker.sh
@@ -49,6 +49,7 @@
     python \
     python-dev \
     python-git \
+    python-yaml \
     python-setuptools \
     pkg-config \
     autoconf \
diff --git a/scripts/unit-test.py b/scripts/unit-test.py
index 7b5e9c4..a26a2f2 100755
--- a/scripts/unit-test.py
+++ b/scripts/unit-test.py
@@ -137,7 +137,8 @@
     # DEPENDENCIES = [MACRO]:[library/header]:[GIT REPO]
     DEPENDENCIES = {
         'AC_CHECK_LIB': {'mapper': 'phosphor-objmgr'},
-        'AC_CHECK_HEADER': {'host-ipmid/ipmid-api.h': 'phosphor-host-ipmid'}
+        'AC_CHECK_HEADER': {'host-ipmid/ipmid-api.h': 'phosphor-host-ipmid'},
+        'AC_CHECK_HEADER': {'sdbusplus/server.hpp': 'sdbusplus'}
     }
 
     # Set command line arguments