- Testing: Separate tests into unit/ui; split UI tests by specific domain;

setup browser-bug folder and ui issues folder
- Testing: Create test utilities for selecting English and visiting and
  approving storage
- Testing: Add test for tool selection

cypress/integration/unit/sanitize.js

@@ -0,0 +1,19 @@
+import '../../../instrumented/jquery.min.js';
+
+import {NS} from '../../../instrumented/namespaces.js';
+import * as sanitize from '../../../instrumented/sanitize.js';
+
+describe('sanitize', function () {
+  const svg = document.createElementNS(NS.SVG, 'svg');
+
+  it('Test sanitizeSvg() strips ws from style attr', function () {
+    const rect = document.createElementNS(NS.SVG, 'rect');
+    rect.setAttribute('style', 'stroke: blue ;\t\tstroke-width :\t\t40;');
+    // sanitizeSvg() requires the node to have a parent and a document.
+    svg.append(rect);
+    sanitize.sanitizeSvg(rect);
+
+    assert.equal(rect.getAttribute('stroke'), 'blue');
+    assert.equal(rect.getAttribute('stroke-width'), '40');
+  });
+});