- Linting (ESLint): As per latest ash-nazg (unicorn)

- npm: Update devDeps; use stable eslint-plugin-mocha-cleanup now that updated
- npm: Add scripts for reporting with test summaries (free of full noise during tests);
    auto-run at end of tests
- npm: Update devDeps. and use stable version of eslint-plugin-mocha-cleanup

editor/xdomain-svgedit-config-iife.js

@@ -18651,7 +18651,8 @@
 
         var _svgcontent = svgcontent,
             nextSibling = _svgcontent.nextSibling;
-        var oldzoom = svgroot.removeChild(svgcontent);
+        svgcontent.remove();
+        var oldzoom = svgcontent;
         batchCmd.addSubCommand(new RemoveElementCommand$1(oldzoom, nextSibling, svgroot)); // set new svg document
         // If DOM3 adoptNode() available, use it. Otherwise fall back to DOM2 importNode()
 
@@ -20722,7 +20723,8 @@
 
         var _t = t,
             nextSibling = _t.nextSibling;
-        var elem = parent.removeChild(t);
+        t.remove();
+        var elem = t;
         selectedCopy.push(selected); // for the copy
 
         batchCmd.addSubCommand(new RemoveElementCommand$1(elem, nextSibling, parent));
@@ -21258,7 +21260,7 @@
         clearSelection(); // delete the group element (but make undo-able)
 
         var gNextSibling = g.nextSibling;
-        g = parent.removeChild(g);
+        g.remove();
         batchCmd.addSubCommand(new RemoveElementCommand$1(g, gNextSibling, parent));
 
         if (!batchCmd.isEmpty()) {