build(test): recursively find test files; fail on unsupported depende…

…ncy versions (#100)

* build(test): recursively find test files; fail on unsupported dependency versions

Source-Author: Megan Potter <57276408+feywind@users.noreply.github.com>
Source-Date: Fri Sep 11 18:47:00 2020 -0700
Source-Repo: googleapis/synthtool
Source-Sha: fdd03c161003ab97657cc0218f25c82c89ddf4b6
Source-Link: googleapis/synthtool@fdd03c1

* build: update test

Co-authored-by: Sofia Leon <sofialeon@google.com>

document-ai/test/batch_parse_table.test.js

@@ -47,6 +47,6 @@ describe('Document AI batch parse table', () => {
  const output = execSync(
  `${cmd} ${testParseTable.projectId} ${testParseTable.location} gs://${bucketName}`
  );
- assert.match(output, /First detected language:/);
+ assert.match(output, /Document processing complete./);
  });
 });