diff --git a/karma.conf.js b/karma.conf.js
index b09f102..231678d 100644
--- a/karma.conf.js
+++ b/karma.conf.js
@@ -4,13 +4,21 @@ module.exports = function(config) {
     basePath: '',
     files: ['tests/dist/index.js'],
     frameworks: ['mocha', 'chai'],
-    reporters: ['mocha'],
+    reporters: ['mocha', 'summary'],
     client: {
       mocha: {
         ui: 'bdd',
         timeout: 5000,
         slow: 250
       }
+    },
+    summaryReporter: {
+      // 'failed', 'skipped' or 'all'
+      show: 'failed',
+      // Limit the spec label to this length
+      specLength: 50,
+      // Show an 'all' column as a summary
+      overviewColumn: true
     }
   });
 };
diff --git a/package-lock.json b/package-lock.json
index 58a7327..bcce716 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5261,6 +5261,15 @@
         "strip-ansi": "^4.0.0"
       }
     },
+    "karma-summary-reporter": {
+      "version": "1.5.1",
+      "resolved": "https://registry.npmjs.org/karma-summary-reporter/-/karma-summary-reporter-1.5.1.tgz",
+      "integrity": "sha512-l9dypn5TSGVGL6GS5d63UvQEj9dfrgYdcb+aQUJjHq6oIaX0/VUF51BeWK7S3WLHCTpXMoP6utESpM+9r4ff2A==",
+      "dev": true,
+      "requires": {
+        "chalk": "^1.1.3 || 2.x"
+      }
+    },
     "kind-of": {
       "version": "6.0.2",
       "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-6.0.2.tgz",
diff --git a/package.json b/package.json
index e2da68d..8d3aad6 100644
--- a/package.json
+++ b/package.json
@@ -53,6 +53,7 @@
     "karma-firefox-launcher": "^1.1.0",
     "karma-mocha": "^1.3.0",
     "karma-mocha-reporter": "^2.2.5",
+    "karma-summary-reporter": "^1.5.1",
     "mocha": "^5.2.0",
     "nyc": "^13.1.0",
     "parcel-bundler": "^1.9.6"