add more unit tests for matter file

test/matter.test.js

@@ -3,6 +3,7 @@ const testUtil = require('./test-util')
 const env = require('../src-electron/util/env')
 const dbApi = require('../src-electron/db/db-api')
 const zclLoader = require('../src-electron/zcl/zcl-loader')
+const dbEnum = require('../src-shared/db-enum.js')
 
 beforeAll(async () => {
   env.setDevelopmentEnv()
@@ -28,3 +29,13 @@ test(
   },
   testUtil.timeout.long()
 )
+test('compute storage policy new config', async () => {
+  const result1 = await matter.computeStorageOptionNewConfig(
+    dbEnum.storagePolicy.attributeAccessInterface
+  )
+  expect(result1).toEqual(dbEnum.storageOption.external)
+  const result2 = await matter.computeStorageOptionNewConfig(
+    dbEnum.storagePolicy.any
+  )
+  expect(result2).toEqual(dbEnum.storageOption.ram)
+})