Tidy tests.

test/functional/util/coverage.js

@@ -0,0 +1,26 @@
+var artifacts   = require("../../artifacts");
+var fs          = require("fs");
+var istanbulCov = require('istanbul-lib-coverage');
+
+var COVERAGE_PATH = artifacts.pathSync("/coverage");
+
+
+var coverage = istanbulCov.createCoverageMap({});
+
+describe("coverage", function() {
+  // Capture the coverage after each test
+  afterEach(function() {
+    // Code coverage
+    var results = browser.execute(function() {
+      return window.__coverage__;
+    });
+
+    coverage.merge(results.value);
+  })
+
+  // Dump the coverage to a file
+  after(function() {
+    var jsonStr = JSON.stringify(coverage, null, 2);
+    fs.writeFileSync(COVERAGE_PATH+"/coverage.json", jsonStr);
+  })
+})