test: Investigate issue on CI

Author: pgrzesik

lib/pip.js

@@ -415,7 +415,9 @@ async function installRequirements(targetFolder, pluginInstance) {
 
         if (cmd === 'docker' && e.stderrBuffer) {
           throw new pluginInstance.serverless.classes.Error(
-            `Running ${cmd} failed with: "${e.stderrBuffer.toString().trim()}"`,
+            `Running "${cmd} ${args.join(' ')}" failed with: "${e.stderrBuffer
+              .toString()
+              .trim()}"`,
             'PYTHON_REQUIREMENTS_DOCKER_COMMAND_FAILED'
           );
         }

test.js

@@ -216,6 +216,7 @@ test(
         dockerImage: 'break the build to log the command',
       },
     });
+    console.log('STDOUT', stdout);
     t.true(
       stdout.includes(
         `-v ${__dirname}${sep}tests${sep}base${sep}custom_ssh:/root/.ssh/custom_ssh:z`