From 392d3b94bdd1f37d70b201ea19ee4f73844678ec Mon Sep 17 00:00:00 2001
From: Andrey Lushnikov <aslushnikov@gmail.com>
Date: Mon, 30 Jul 2018 16:41:39 -0700
Subject: [PATCH] Revert "chore(tests): redirect debugError to the output
 category of tests (#2969)" (#2987)

This reverts commit c5fe1dbdbb49c4a348cbe996bb7e87cc276c1145.
---
 lib/Tracing.js | 4 +---
 test/test.js   | 9 +--------
 2 files changed, 2 insertions(+), 11 deletions(-)

diff --git a/lib/Tracing.js b/lib/Tracing.js
index a6475337..51191884 100644
--- a/lib/Tracing.js
+++ b/lib/Tracing.js
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-const {helper, assert, debugError} = require('./helper');
+const {helper, assert} = require('./helper');
 const fs = require('fs');
 
 const openAsync = helper.promisify(fs.open);
@@ -89,8 +89,6 @@ class Tracing {
     let resultBuffer = null;
     try {
       resultBuffer = Buffer.concat(bufs);
-    } catch (error) {
-      debugError(error);
     } finally {
       return resultBuffer;
     }
diff --git a/test/test.js b/test/test.js
index 91f6d900..0dd01767 100644
--- a/test/test.js
+++ b/test/test.js
@@ -22,7 +22,7 @@ const GOLDEN_DIR = path.join(__dirname, 'golden');
 const OUTPUT_DIR = path.join(__dirname, 'output');
 const {TestRunner, Reporter, Matchers} = require('../utils/testrunner/');
 
-const {helper, assert, debugError} = require('../lib/helper');
+const {helper, assert} = require('../lib/helper');
 if (process.env.COVERAGE)
   helper.recordPublicAPICoverage();
 
@@ -116,16 +116,9 @@ describe('Page', function() {
     const rl = require('readline').createInterface({input: state.browser.process().stderr});
     test.output = '';
     rl.on('line', onLine);
-    const enableDebugError = !debugError.enabled;
-    if (enableDebugError) {
-      require('debug').enable(debugError.namespace);
-      debugError.log = onLine;
-    }
     state.tearDown = () => {
       rl.removeListener('line', onLine);
       rl.close();
-      if (enableDebugError)
-        debugError.log = () => undefined;
     };
     function onLine(line) {
       test.output += line + '\n';