test: add more system tests

src/test/system-test.js

@@ -76,9 +76,19 @@ describe('System', function () {
         expect(info.rebootRequired).to.be.a('boolean');
     });
 
+    it('can get block devices', async function () {
+        const devices = await system.getBlockDevices();
+        expect(devices.some(d => d.mountpoint === '/')).to.be(true);
+    });
+
+    it('can get filesystems', async function () {
+        const filesystems = await system.getFilesystems();
+        expect(filesystems.find(v => v.mountpoint === '/')).to.be.ok();
+    });
+
     it('can get filesystemUsage', async function () {
         const filesystems = await system.getFilesystems();
-        const rootFs = Object.values(filesystems).find(v => v.mountpoint === '/');
+        const rootFs = filesystems.find(v => v.mountpoint === '/');
         expect(rootFs.filesystem).to.be.ok();
 
         const usageTask = await system.getFilesystemUsage(rootFs.filesystem);