travis: Test only on distributions with gnuradio 3.8

Change-Id: I05706496687bff2dc4e9a111d8ecd4f878b53c12
diff --git a/tests/dockerfiles/Kali.docker b/tests/dockerfiles/Kali.docker
index 52cc110..b4a9719 100644
--- a/tests/dockerfiles/Kali.docker
+++ b/tests/dockerfiles/Kali.docker
@@ -14,8 +14,7 @@
     liblog4cpp5-dev \
     python-gtk2 \
     python-scipy \
-    gnuradio-dev \
-    gr-osmosdr \
+    gnuradio-dev gnuradio libgmp-dev libboost-regex-dev \
     libosmocore-dev
 
 COPY ./ /src/