test: Fix coverage for prettyDOM

Author: istateside

src/__tests__/pretty-dom.js

@@ -26,6 +26,14 @@ test('prettyDOM prints out the given DOM element tree', () => {
 test('prettyDOM supports truncating the output length', () => {
   const {container} = render('<div>Hello World!</div>')
   expect(prettyDOM(container, 5)).toMatch(/\.\.\./)
+  expect(prettyDOM(container, 0)).toMatch('')
+  expect(prettyDOM(container, Number.POSITIVE_INFINITY)).toMatchInlineSnapshot(`
+    "<div>
+      <div>
+        Hello World!
+      </div>
+    </div>"
+  `)
 })
 
 test('prettyDOM defaults to document.body', () => {

src/config.ts

@@ -35,11 +35,7 @@ let config: InternalConfig = {
     const error = new Error(
       [
         message,
-        prettifiedDOM.length > 0
-          ? `Ignored nodes: comments, <script />, <style />\n${prettyDOM(
-              container,
-            )}`
-          : null,
+        `Ignored nodes: comments, <script />, <style />\n${prettifiedDOM}`,
       ]
         .filter(Boolean)
         .join('\n\n'),