diff --git a/Gruntfile.js b/Gruntfile.js
index 3474e671..fb8da46c 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -5,12 +5,6 @@ module.exports = function(grunt) {
   require('load-grunt-tasks')(grunt);
   require('time-grunt')(grunt);
 
-  /* global process */
-
-  // configures browsers to run test against
-  // any of [ 'PhantomJS', 'Chrome', 'Firefox', 'IE']
-  var TEST_BROWSERS = ((process.env.TEST_BROWSERS || '').replace(/^\s+|\s+$/, '') || 'PhantomJS').split(/\s*,\s*/g);
-
   // project configuration
   grunt.initConfig({
 
@@ -52,13 +46,9 @@ module.exports = function(grunt) {
       },
       single: {
         singleRun: true,
-        autoWatch: false,
-
-        browsers: TEST_BROWSERS
-      },
-      unit: {
-        browsers: TEST_BROWSERS
+        autoWatch: false
       },
+      unit: { },
       translations: {
         singleRun: true,
         autoWatch: false,
@@ -72,9 +62,7 @@ module.exports = function(grunt) {
 
         envPreprocessor: [
           'TRANSLATIONS'
-        ],
-
-        browsers: TEST_BROWSERS
+        ]
       }
     },
 
diff --git a/package-lock.json b/package-lock.json
index d91cbc54..db935fbc 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,6 +4,27 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
+    "agent-base": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-4.1.1.tgz",
+      "integrity": "sha512-yWGUUmCZD/33IRjG2It94PzixT8lX+47Uq8fjmd0cgQWITCMrJuXFaVIMnGDmDnZGGKAGdwTx8UGeU8lMR2urA==",
+      "dev": true,
+      "requires": {
+        "es6-promisify": "5.0.0"
+      }
+    },
+    "async-limiter": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.0.tgz",
+      "integrity": "sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg==",
+      "dev": true
+    },
+    "balanced-match": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
+      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
+      "dev": true
+    },
     "bpmn-moddle": {
       "version": "0.14.0",
       "resolved": "https://registry.npmjs.org/bpmn-moddle/-/bpmn-moddle-0.14.0.tgz",
@@ -14,6 +35,16 @@
         "moddle-xml": "1.0.0"
       }
     },
+    "brace-expansion": {
+      "version": "1.1.8",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.8.tgz",
+      "integrity": "sha1-wHshHHyVLsH479Uad+8NHTmQopI=",
+      "dev": true,
+      "requires": {
+        "balanced-match": "1.0.0",
+        "concat-map": "0.0.1"
+      }
+    },
     "component-classes": {
       "version": "1.2.6",
       "resolved": "https://registry.npmjs.org/component-classes/-/component-classes-1.2.6.tgz",
@@ -62,6 +93,38 @@
       "resolved": "https://registry.npmjs.org/component-query/-/component-query-0.0.3.tgz",
       "integrity": "sha1-B/Sdq3Bx+pYGcl31PmB/RorNqs8="
     },
+    "concat-map": {
+      "version": "0.0.1",
+      "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
+      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
+      "dev": true
+    },
+    "concat-stream": {
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/concat-stream/-/concat-stream-1.6.0.tgz",
+      "integrity": "sha1-CqxmL9Ur54lk1VMvaUeE5wEQrPc=",
+      "dev": true,
+      "requires": {
+        "inherits": "2.0.3",
+        "readable-stream": "2.3.3",
+        "typedarray": "0.0.6"
+      }
+    },
+    "core-util-is": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
+      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=",
+      "dev": true
+    },
+    "debug": {
+      "version": "2.6.9",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+      "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+      "dev": true,
+      "requires": {
+        "ms": "2.0.0"
+      }
+    },
     "diagram-js": {
       "version": "0.21.1",
       "resolved": "https://registry.npmjs.org/diagram-js/-/diagram-js-0.21.1.tgz",
@@ -103,6 +166,79 @@
       "resolved": "https://registry.npmjs.org/domify/-/domify-1.4.0.tgz",
       "integrity": "sha1-EUg2F/dk+GlZdbS9x5sU8IA7Yps="
     },
+    "es6-promise": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/es6-promise/-/es6-promise-4.1.1.tgz",
+      "integrity": "sha512-OaU1hHjgJf+b0NzsxCg7NdIYERD6Hy/PEmFLTjw+b65scuisG3Kt4QoTvJ66BBkPZ581gr0kpoVzKnxniM8nng==",
+      "dev": true
+    },
+    "es6-promisify": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/es6-promisify/-/es6-promisify-5.0.0.tgz",
+      "integrity": "sha1-UQnWLz5W6pZ8S2NQWu8IKRyKUgM=",
+      "dev": true,
+      "requires": {
+        "es6-promise": "4.1.1"
+      }
+    },
+    "extract-zip": {
+      "version": "1.6.5",
+      "resolved": "https://registry.npmjs.org/extract-zip/-/extract-zip-1.6.5.tgz",
+      "integrity": "sha1-maBnNbbqIOqbcF13ms/8yHz/BEA=",
+      "dev": true,
+      "requires": {
+        "concat-stream": "1.6.0",
+        "debug": "2.2.0",
+        "mkdirp": "0.5.0",
+        "yauzl": "2.4.1"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "2.2.0",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-2.2.0.tgz",
+          "integrity": "sha1-+HBX6ZWxofauaklgZkE3vFbwOdo=",
+          "dev": true,
+          "requires": {
+            "ms": "0.7.1"
+          }
+        },
+        "ms": {
+          "version": "0.7.1",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-0.7.1.tgz",
+          "integrity": "sha1-nNE8A62/8ltl7/3nzoZO6VIBcJg=",
+          "dev": true
+        }
+      }
+    },
+    "fd-slicer": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/fd-slicer/-/fd-slicer-1.0.1.tgz",
+      "integrity": "sha1-i1vL2ewyfFBBv5qwI/1nUPEXfmU=",
+      "dev": true,
+      "requires": {
+        "pend": "1.2.0"
+      }
+    },
+    "fs.realpath": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
+      "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=",
+      "dev": true
+    },
+    "glob": {
+      "version": "7.1.2",
+      "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.2.tgz",
+      "integrity": "sha512-MJTUg1kjuLeQCJ+ccE4Vpa6kKVXkPYJ2mOCQyUuKLcLQsdrMCpBPUi8qVE6+YuaJkozeA9NusTAw3hLr8Xe5EQ==",
+      "dev": true,
+      "requires": {
+        "fs.realpath": "1.0.0",
+        "inflight": "1.0.6",
+        "inherits": "2.0.3",
+        "minimatch": "3.0.4",
+        "once": "1.4.0",
+        "path-is-absolute": "1.0.1"
+      }
+    },
     "hammerjs": {
       "version": "2.0.8",
       "resolved": "https://registry.npmjs.org/hammerjs/-/hammerjs-2.0.8.tgz",
@@ -113,6 +249,16 @@
       "resolved": "https://registry.npmjs.org/hat/-/hat-0.0.3.tgz",
       "integrity": "sha1-uwFKnmSzeIrtgAWRdBPU/z1QLYo="
     },
+    "https-proxy-agent": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/https-proxy-agent/-/https-proxy-agent-2.1.0.tgz",
+      "integrity": "sha512-/DTVSUCbRc6AiyOV4DBRvPDpKKCJh4qQJNaCgypX0T41quD9hp/PB5iUyx/60XobuMPQa9ce1jNV9UOUq6PnTg==",
+      "dev": true,
+      "requires": {
+        "agent-base": "4.1.1",
+        "debug": "2.6.9"
+      }
+    },
     "ids": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/ids/-/ids-0.2.0.tgz",
@@ -121,16 +267,38 @@
         "hat": "0.0.3"
       }
     },
+    "inflight": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
+      "integrity": "sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=",
+      "dev": true,
+      "requires": {
+        "once": "1.4.0",
+        "wrappy": "1.0.2"
+      }
+    },
     "inherits": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz",
       "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4="
     },
+    "isarray": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
+      "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=",
+      "dev": true
+    },
     "lodash": {
       "version": "3.10.1",
       "resolved": "https://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz",
       "integrity": "sha1-W/Rejkm6QYnhfUgnid/RW9FAt7Y="
     },
+    "mime": {
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/mime/-/mime-1.4.1.tgz",
+      "integrity": "sha512-KI1+qOZu5DcW6wayYHSzR/tXKCDC5Om4s1z2QJjDULzLcmf3DvzS7oluY4HCTrc+9FiKmWUgeNLg7W3uIQvxtQ==",
+      "dev": true
+    },
     "min-dom": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/min-dom/-/min-dom-0.2.0.tgz",
@@ -145,6 +313,30 @@
         "domify": "1.4.0"
       }
     },
+    "minimatch": {
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
+      "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
+      "dev": true,
+      "requires": {
+        "brace-expansion": "1.1.8"
+      }
+    },
+    "minimist": {
+      "version": "0.0.8",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
+      "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
+      "dev": true
+    },
+    "mkdirp": {
+      "version": "0.5.0",
+      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.0.tgz",
+      "integrity": "sha1-HXMHam35hs2TROFecfzAWkyavxI=",
+      "dev": true,
+      "requires": {
+        "minimist": "0.0.8"
+      }
+    },
     "moddle": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/moddle/-/moddle-1.0.0.tgz",
@@ -164,16 +356,116 @@
         "tiny-stack": "0.1.0"
       }
     },
+    "ms": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+      "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
+      "dev": true
+    },
     "object-refs": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/object-refs/-/object-refs-0.1.1.tgz",
       "integrity": "sha1-NT912mM+qEamHvDfBOxrqUH4b8Q="
     },
+    "once": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
+      "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
+      "dev": true,
+      "requires": {
+        "wrappy": "1.0.2"
+      }
+    },
+    "path-is-absolute": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
+      "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
+      "dev": true
+    },
+    "pend": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/pend/-/pend-1.2.0.tgz",
+      "integrity": "sha1-elfrVQpng/kRUzH89GY9XI4AelA=",
+      "dev": true
+    },
+    "process-nextick-args": {
+      "version": "1.0.7",
+      "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-1.0.7.tgz",
+      "integrity": "sha1-FQ4gt1ZZCtP5EJPyWk8q2L/zC6M=",
+      "dev": true
+    },
+    "progress": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/progress/-/progress-2.0.0.tgz",
+      "integrity": "sha1-ihvjZr+Pwj2yvSPxDG/pILQ4nR8=",
+      "dev": true
+    },
+    "proxy-from-env": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/proxy-from-env/-/proxy-from-env-1.0.0.tgz",
+      "integrity": "sha1-M8UDmPcOp+uW0h97gXYwpVeRx+4=",
+      "dev": true
+    },
+    "puppeteer": {
+      "version": "0.12.0",
+      "resolved": "https://registry.npmjs.org/puppeteer/-/puppeteer-0.12.0.tgz",
+      "integrity": "sha512-H/bylN7FccwbN7JZoSP+xRozxgJEDNy4uC4p727cyttKUVNXYjFuEMueJYHW0pblnrfLEH341SyFJVWhJMLxKQ==",
+      "dev": true,
+      "requires": {
+        "debug": "2.6.9",
+        "extract-zip": "1.6.5",
+        "https-proxy-agent": "2.1.0",
+        "mime": "1.4.1",
+        "progress": "2.0.0",
+        "proxy-from-env": "1.0.0",
+        "rimraf": "2.6.2",
+        "ws": "3.2.0"
+      }
+    },
+    "readable-stream": {
+      "version": "2.3.3",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.3.tgz",
+      "integrity": "sha512-m+qzzcn7KUxEmd1gMbchF+Y2eIUbieUaxkWtptyHywrX0rE8QEYqPC07Vuy4Wm32/xE16NcdBctb8S0Xe/5IeQ==",
+      "dev": true,
+      "requires": {
+        "core-util-is": "1.0.2",
+        "inherits": "2.0.3",
+        "isarray": "1.0.0",
+        "process-nextick-args": "1.0.7",
+        "safe-buffer": "5.1.1",
+        "string_decoder": "1.0.3",
+        "util-deprecate": "1.0.2"
+      }
+    },
+    "rimraf": {
+      "version": "2.6.2",
+      "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.6.2.tgz",
+      "integrity": "sha512-lreewLK/BlghmxtfH36YYVg1i8IAce4TI7oao75I1g245+6BctqTVQiBP3YUJ9C6DQOXJmkYR9X9fCLtCOJc5w==",
+      "dev": true,
+      "requires": {
+        "glob": "7.1.2"
+      }
+    },
+    "safe-buffer": {
+      "version": "5.1.1",
+      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.1.tgz",
+      "integrity": "sha512-kKvNJn6Mm93gAczWVJg7wH+wGYWNrDHdWvpUmHyEsgCtIwwo3bqPtV4tR5tuPaUhTOo/kvhVwd8XwwOllGYkbg==",
+      "dev": true
+    },
     "sax": {
       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/sax/-/sax-0.6.1.tgz",
       "integrity": "sha1-VjsZx8HeiS4Jv8Ty/DDjwn8JUrk="
     },
+    "string_decoder": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
+      "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
+      "dev": true,
+      "requires": {
+        "safe-buffer": "5.1.1"
+      }
+    },
     "tiny-stack": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/tiny-stack/-/tiny-stack-0.1.0.tgz",
@@ -183,6 +475,50 @@
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/tiny-svg/-/tiny-svg-0.1.1.tgz",
       "integrity": "sha1-GFyOr3CHVDL9/5jcF5Cpv69l/qs="
+    },
+    "typedarray": {
+      "version": "0.0.6",
+      "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
+      "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=",
+      "dev": true
+    },
+    "ultron": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/ultron/-/ultron-1.1.0.tgz",
+      "integrity": "sha1-sHoualQagV/Go0zNRTO67DB8qGQ=",
+      "dev": true
+    },
+    "util-deprecate": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
+      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=",
+      "dev": true
+    },
+    "wrappy": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
+      "dev": true
+    },
+    "ws": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-3.2.0.tgz",
+      "integrity": "sha512-hTS3mkXm/j85jTQOIcwVz3yK3up9xHgPtgEhDBOH3G18LDOZmSAG1omJeXejLKJakx+okv8vS1sopgs7rw0kVw==",
+      "dev": true,
+      "requires": {
+        "async-limiter": "1.0.0",
+        "safe-buffer": "5.1.1",
+        "ultron": "1.1.0"
+      }
+    },
+    "yauzl": {
+      "version": "2.4.1",
+      "resolved": "https://registry.npmjs.org/yauzl/-/yauzl-2.4.1.tgz",
+      "integrity": "sha1-lSj0QtqxsihOWLQ3m7GU4i4MQAU=",
+      "dev": true,
+      "requires": {
+        "fd-slicer": "1.0.1"
+      }
     }
   }
 }
diff --git a/package.json b/package.json
index 61819790..8b8c2380 100644
--- a/package.json
+++ b/package.json
@@ -64,6 +64,7 @@
     "mocha": "^3.4.1",
     "mocha-test-container-support": "0.2.0",
     "phantomjs-prebuilt": "^2.1.12",
+    "puppeteer": "^0.12.0",
     "sinon": "^2.2.0",
     "sinon-chai": "^2.10.0",
     "source-map-concat": "^1.0.0",
diff --git a/test/config/karma.unit.js b/test/config/karma.unit.js
index f7e102bd..5a8466a7 100644
--- a/test/config/karma.unit.js
+++ b/test/config/karma.unit.js
@@ -6,6 +6,27 @@ var basePath = '../../';
 
 var absoluteBasePath = path.resolve(path.join(__dirname, basePath));
 
+/* global process */
+
+// configures browsers to run test against
+// any of [ 'ChromeHeadless', 'Chrome', 'Firefox', 'IE', 'PhantomJS' ]
+var browsers =
+  (process.env.TEST_BROWSERS || 'PhantomJS')
+    .replace(/^\s+|\s+$/, '')
+    .split(/\s*,\s*/g)
+    .map(function(browser) {
+      if (browser === 'ChromeHeadless') {
+        process.env.CHROME_BIN = require('puppeteer').executablePath();
+
+        // workaround https://github.com/GoogleChrome/puppeteer/issues/290
+        if (process.platform === 'linux') {
+          return 'ChromeHeadless_Linux';
+        }
+      } else {
+        return browser;
+      }
+    });
+
 
 module.exports = function(karma) {
   karma.set({
@@ -29,7 +50,7 @@ module.exports = function(karma) {
 
     reporters: [ 'spec' ],
 
-    browsers: [ 'PhantomJS' ],
+    browsers: browsers,
 
     browserNoActivityTimeout: 30000,