Add useful submodules

Author: Damir Hadiiev [FFW]

.gitmodules

@@ -0,0 +1,6 @@
+[submodule "tests/helpers/bats-support"]
+	path = tests/helpers/bats-support
+	url = https://github.com/ztombol/bats-support.git
+[submodule "tests/helpers/bats-assert"]
+	path = tests/helpers/bats-assert
+	url = https://github.com/ztombol/bats-assert.git

tests/functional_tests.bats

@@ -0,0 +1,14 @@
+#!/usr/bin/env bats
+
+@test "1.1  - Remove all non-essential services from the host - Network" {
+  # Check for listening network services.
+  listening_services=$(netstat -na | grep -v tcp6 | grep -v unix | grep -c LISTEN)
+  fail "jk" $BATS_TEST_NAME
+  if [ "$listening_services" -eq 1 ]; then
+    fail "Failed to get listening services for check: $BATS_TEST_NAME"
+  else
+    if [ "$listening_services" -gt 5 ]; then
+      fail "Host listening on: $listening_services ports"
+    fi
+  fi
+}