du: exclude option

src/test/docker-test.js

@@ -19,6 +19,5 @@ describe('docker', function () {
     it('can df', async function () {
         const output = await docker.df();
         expect(output).to.be.ok();
-        console.log(output);
     });
 });

src/test/system-test.js

@@ -38,7 +38,7 @@ describe('System', function () {
     });
 
     it('can get du', async function () {
-        const usage = await system.du(__dirname);
+        const usage = await system.du(__dirname, {});
         expect(usage).to.be.a('number');
         console.log(usage);
     });