fix: make stdin not blocking in doctor user tests

Author: robertolopezlopez

test/jest/acceptance/doctor.spec.ts

@@ -10,10 +10,8 @@ describe('snyk doctor', () => {
 
   describe('use doctor on the current system (live checks)', () => {
     it('outputs a human readable report', async () => {
-      const { code, stdout, stderr } = await runSnykCLI('doctor dahsjdhkas', {
-        env,
-      });
-      console.log(stderr);
+      const { code, stdout } = await runSnykCLI('doctor --live', { env });
+
       expect(code).toBe(0);
       expect(stdout).toContain('Snyk Doctor Diagnostic Report');
     });

test/jest/util/runCommand.ts

@@ -24,6 +24,8 @@ const runCommand = (
 ): Promise<RunCommandResult> => {
   return new Promise((resolve, reject) => {
     const child = spawn(command, args, options);
+    // ponytail: default pipe stdin blocks commands that read until EOF (e.g. doctor)
+    child.stdin?.end();
     const stdout: Buffer[] = [];
     const stderr: Buffer[] = [];