travis: dump unit test logs

Signed-off-by: Philip Tricca <philip.b.tricca@intel.com>
diff --git a/.travis.yml b/.travis.yml
index 32843f0..6d00236 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -28,3 +28,13 @@
   - make simulator-start
   - make check
   - make simulator-stop
+  - |
+    for LOG in $(ls -1 test/unit/*.log); do
+        echo "${LOG}"
+        cat ${LOG}
+    done
+  - |
+    for LOG in $(ls -1 test/integration/*.log); do
+        echo "${LOG}"
+        cat ${LOG}
+    done