test: Run tests in embedded mode on travis

.ci/api-python.sh

@@ -10,10 +10,19 @@ git clone --depth=1 -b master git://github.com/neovim/python-client
 cd python-client
 sudo pip install .
 sudo pip install nose
-test_cmd="nosetests --verbosity=2"
+# We run the tests twice:
+# - First by connecting with an nvim instance spawned by "expect"
+# - Second by starting nvim in embedded mode through the python client
+# This is required until nvim is mature enough to always run in embedded mode
+test_cmd="nosetests --verbosity=2 --nologcapture"
 nvim_cmd="valgrind -q --track-origins=yes --leak-check=yes --suppressions=$suppressions --log-file=$tmpdir/valgrind-%p.log ../build/bin/nvim -u NONE"
 if ! ../scripts/run-api-tests.exp "$test_cmd" "$nvim_cmd"; then
 	valgrind_check "$tmpdir"
 	exit 1
 fi
-valgrind_check "$tmpdir"
+
+export NEOVIM_SPAWN_ARGV="[\"valgrind\", \"-q\", \"--track-origins=yes\", \"--leak-check=yes\", \"--suppressions=$suppressions\", \"--log-file=$tmpdir/valgrind-%p.log\", \"../build/bin/nvim\", \"-u\", \"NONE\", \"--embedded-mode\"]"
+if ! nosetests --verbosity=2 --nologcapture; then
+	valgrind_check "$tmpdir"
+	exit 1
+fi