testing: Enable Python eggs in testing environment (i.e. vici's Python bindings)

testing/scripts/recipes/013_strongswan.mk

@@ -105,7 +105,8 @@ CONFIG_OPTS = \
 	--enable-newhope \
 	--enable-systemd \
 	--enable-counters \
-	--enable-save-keys
+	--enable-save-keys \
+	--enable-python-eggs-install
 
 export ADA_PROJECT_PATH=/usr/local/ada/lib/gnat