- Fix: Avoid errors occurring in Chrome now for supportsGoodTextCharPos

- Linting: Avoid Jamilih file in doc linting
- Testing: Add testcafe (ESLint plugin/rules, accessibility test
  (failing), ui test beginnings (passing))
- Docs: Add "Testing" prefix to contributing file
- npm: Bump to 3.0.0-rc.3

dist/index-es.js

@@ -2666,7 +2666,7 @@ var supportsPathInsertItemBefore_ = function () {
   } catch (err) {}
 
   return false;
-}(); // text character positioning (for IE9)
+}(); // text character positioning (for IE9 and now Chrome)
 
 
 var supportsGoodTextCharPos_ = function () {
@@ -2678,9 +2678,16 @@ var supportsGoodTextCharPos_ = function () {
   var text = document.createElementNS(NS.SVG, 'text');
   text.textContent = 'a';
   svgcontent.append(text);
-  var pos = text.getStartPositionOfChar(0).x;
-  svgroot.remove();
-  return pos === 0;
+
+  try {
+    // Chrome now fails here
+    var pos = text.getStartPositionOfChar(0).x;
+    return pos === 0;
+  } catch (err) {
+    return false;
+  } finally {
+    svgroot.remove();
+  }
 }();
 
 var supportsPathBBox_ = function () {

dist/index-umd.js

@@ -2672,7 +2672,7 @@
     } catch (err) {}
 
     return false;
-  }(); // text character positioning (for IE9)
+  }(); // text character positioning (for IE9 and now Chrome)
 
 
   var supportsGoodTextCharPos_ = function () {
@@ -2684,9 +2684,16 @@
     var text = document.createElementNS(NS.SVG, 'text');
     text.textContent = 'a';
     svgcontent.append(text);
-    var pos = text.getStartPositionOfChar(0).x;
-    svgroot.remove();
-    return pos === 0;
+
+    try {
+      // Chrome now fails here
+      var pos = text.getStartPositionOfChar(0).x;
+      return pos === 0;
+    } catch (err) {
+      return false;
+    } finally {
+      svgroot.remove();
+    }
   }();
 
   var supportsPathBBox_ = function () {

dist/redirect-on-lacking-support.js

@@ -2474,7 +2474,7 @@
     } catch (err) {}
 
     return false;
-  }(); // text character positioning (for IE9)
+  }(); // text character positioning (for IE9 and now Chrome)
 
 
   var supportsGoodTextCharPos_ = function () {
@@ -2486,9 +2486,16 @@
     var text = document.createElementNS(NS.SVG, 'text');
     text.textContent = 'a';
     svgcontent.append(text);
-    var pos = text.getStartPositionOfChar(0).x;
-    svgroot.remove();
-    return pos === 0;
+
+    try {
+      // Chrome now fails here
+      var pos = text.getStartPositionOfChar(0).x;
+      return pos === 0;
+    } catch (err) {
+      return false;
+    } finally {
+      svgroot.remove();
+    }
   }();
 
   var supportsPathBBox_ = function () {