Revert "fix(deps): bump @testing-library/dom from 6.16.0 to 7.0.2 (#78)" (#79)

This reverts commit 402babe.

Author: benmonro

package.json

@@ -51,7 +51,7 @@
     "svelte": "3.x"
   },
   "dependencies": {
-    "@testing-library/dom": "^7.0.2"
+    "@testing-library/dom": "^6.5.0"
   },
   "devDependencies": {
     "@babel/cli": "^7.6.2",