Add "debug" mode to tests

tests/commands/channels/parse.test.ts

@@ -14,7 +14,8 @@ describe('channels:parse', () => {
   it('can parse channels', () => {
     const cmd =
       'npm run channels:parse --- --config=tests/__data__/input/channels-parse/channels-parse.config.js --output=tests/__data__/output/channels.xml'
-    execSync(cmd, { encoding: 'utf8' })
+    const stdout = execSync(cmd, { encoding: 'utf8' })
+    if (process.env.DEBUG === 'true') console.log(stdout)
 
     expect(content('tests/__data__/output/channels.xml')).toEqual(
       content('tests/__data__/expected/sites/channels-parse/channels-parse.channels.xml')