add more Runner coverage for Coveralls

- add my `unexpected-eventemitter` plugin, which helps test `EventEmitter` behavior

karma.conf.js

@@ -156,6 +156,7 @@ module.exports = config => {
     require.resolve('unexpected/unexpected'),
     {pattern: require.resolve('unexpected/unexpected.js.map'), included: false},
     require.resolve('unexpected-sinon'),
+    require.resolve('unexpected-eventemitter/dist/unexpected-eventemitter.js'),
     require.resolve('./test/browser-specific/setup')
   );
 

lib/runner.js

@@ -772,17 +772,9 @@ Runner.prototype.runSuite = function(suite, fn) {
  */
 Runner.prototype.uncaught = function(err) {
   if (err) {
-    debug(
-      'uncaught exception %s',
-      err ===
-        function() {
-          return this;
-        }.call(err)
-        ? err.message || err
-        : err
-    );
+    debug('uncaught exception %O', err);
   } else {
-    debug('uncaught undefined exception');
+    debug('uncaught undefined/falsy exception');
     err = createInvalidExceptionError(
       'Caught falsy/undefined exception which would otherwise be uncaught. No stack trace found; try a debugger',
       err
@@ -831,6 +823,7 @@ Runner.prototype.uncaught = function(err) {
       this.hookUp(HOOK_TYPE_AFTER_EACH, this.next);
       return;
     }
+    debug(runnable);
 
     // recover from hooks
     var errSuite = this.suite;

package.json

@@ -560,6 +560,7 @@
     "through2": "^3.0.0",
     "to-vfile": "^5.0.2",
     "unexpected": "^10.39.2",
+    "unexpected-eventemitter": "^1.1.3",
     "unexpected-sinon": "^10.10.1",
     "uslug": "^1.0.4",
     "watchify": "^3.7.0"

test/browser-specific/setup.js

@@ -4,4 +4,5 @@ process.stdout = require('browser-stdout')();
 
 global.expect = global.weknowhow.expect
   .clone()
-  .use(global.weknowhow.unexpectedSinon);
+  .use(global.weknowhow.unexpectedSinon)
+  .use(global.unexpectedEventEmitter);

test/setup.js

@@ -2,5 +2,8 @@
 
 var unexpected = require('unexpected');
 global.expect = require('./assertions').mixinMochaAssertions(
-  unexpected.clone().use(require('unexpected-sinon'))
+  unexpected
+    .clone()
+    .use(require('unexpected-sinon'))
+    .use(require('unexpected-eventemitter'))
 );