test: added platform specific tests

Author: UlisesGascon

test.js

@@ -22,6 +22,12 @@ async function t () {
   assert.ok(await isNodeVulnerable('13.0.0'))
   assert.ok(await isNodeVulnerable('12.0.0'))
   assert.ok(await isNodeVulnerable('v0.12.18'))
+
+  // Platform specific
+  assert.ok(await isNodeVulnerable('19.0.0', 'linux'))
+  assert.ok(await isNodeVulnerable('18.0.0', 'win32'))
+  assert.ok(await isNodeVulnerable('14.0.0', 'android'))
+  assert.rejects(() => isNodeVulnerable('20.0.0', 'non-valid-platform'), /platform non-valid-platform is not valid. Please use aix,darwin,freebsd,linux,openbsd,sunos,win32,android/)
 }
 
 t()