use --codemods-json

Author: Kelly Selden

package-lock.json

@@ -23,7 +23,7 @@
   },
   "devDependencies": {
     "chai": "^4.1.0",
-    "ember-cli-update": "0.44.0",
+    "ember-cli-update": "0.45.0",
     "eslint": "^6.1.0",
     "eslint-config-sane": "0.8.5",
     "eslint-config-sane-node": "0.2.2",

package.json

@@ -34,7 +34,10 @@ describe('runs codemods', function() {
 
     return processBin({
       bin: 'ember-cli-update',
-      args: ['--run-codemods'],
+      args: [
+        '--run-codemods',
+        `--codemods-json='${JSON.stringify(manifest)}'`
+      ],
       cwd: tmpPath,
       commitMessage,
       expect