Remove extra output from generator and mocha tests (#5196)

* Remove extra output from generator tests

* Fix test

* Update loglevel for both tests

tests/generators/run_generators_in_browser.js

@@ -42,6 +42,7 @@ async function runGeneratorsInBrowser() {
     capabilities: {
       browserName: 'chrome',
     },
+    logLevel: 'warn',
     services: ['selenium-standalone']
   };
   // Run in headless mode on Github Actions.

tests/mocha/run_mocha_tests_in_browser.js

@@ -24,7 +24,8 @@ async function runMochaTestsInBrowser() {
     },
     services: [
       ['selenium-standalone']
-    ]
+    ],
+    logLevel: 'warn'
   };
   // Run in headless mode on Github Actions.
   if (process.env.CI) {

tests/scripts/run_generators.sh

@@ -18,7 +18,7 @@ check_result() {
   if [ -f $tmp_filename ]; then
     local golden_filename="${GOLDEN_DIR}generated.$suffix"
     if [ -f $golden_filename ]; then
-      if cmp --silent $tmp_filename $golden_filename; then
+      if cmp $tmp_filename $golden_filename; then
         echo -e "$SUCCESS_PREFIX $suffix: $tmp_filename matches $golden_filename"
       else
         echo -e "$FAILURE_PREFIX $suffix: $tmp_filename does not match $golden_filename"