Attempt to improve test output to be more readable

- Add "logcapture" reporter to capture logs only for failed tests
 - Add "spec" reporter to show each test status individually
 - Add "summary" reporter to show the total number of successful/failed tests

karma.conf.js

@@ -93,7 +93,18 @@ module.exports = function (config) {
         // test results reporter to use
         // possible values: 'dots', 'progress'
         // available reporters: https://npmjs.org/browse/keyword/karma-reporter
-        reporters: ['progress', 'junit'],
+        reporters: ['logcapture', 'spec', 'junit', 'summary'],
+
+        specReporter: {
+            suppressErrorSummary: false, // do print error summary
+            suppressFailed: false, // do print information about failed tests
+            suppressPassed: false, // do print information about passed tests
+            showSpecTiming: true, // print the time elapsed for each spec
+        },
+
+        client: {
+            captureLogs: true,
+        },
 
         // web server port
         port: 9876,
@@ -104,7 +115,10 @@ module.exports = function (config) {
         // level of logging
         // possible values: config.LOG_DISABLE || config.LOG_ERROR ||
         // config.LOG_WARN || config.LOG_INFO || config.LOG_DEBUG
-        logLevel: config.LOG_INFO,
+        //
+        // This is strictly for logs that would be generated by the browser itself and we
+        // don't want to log about missing images, which are emitted on LOG_WARN.
+        logLevel: config.LOG_ERROR,
 
         // enable / disable watching file and executing tests whenever any file
         // changes