Maybe fix CI

Author: mramato

Specs/.eslintrc.json

@@ -9,7 +9,7 @@
     "overrides": [
         {
             "files": [
-                "karma.conf.js"
+                "karma.conf.cjs"
             ],
             "parserOptions": {
                 "sourceType": "script"

Specs/karma.conf.js Specs/karma.conf.cjs

@@ -42,7 +42,7 @@ if (/\.0$/.test(version)) {
   version = version.substring(0, version.length - 2);
 }
 
-var karmaConfigFile = path.join(__dirname, "Specs/karma.conf.js");
+var karmaConfigFile = path.join(__dirname, "Specs/karma.conf.cjs");
 var travisDeployUrl =
   "http://cesium-dev.s3-website-us-east-1.amazonaws.com/cesium/";
 
@@ -115,7 +115,7 @@ var filesToConvertES6 = [
   "!Source/Workers/cesiumWorkerBootstrapper.js",
   "!Source/Workers/transferTypedArrayTest.js",
   "!Specs/karma-main.js",
-  "!Specs/karma.conf.js",
+  "!Specs/karma.conf.cjs",
   "!Specs/spec-main.js",
   "!Specs/SpecList.js",
   "!Specs/TestWorkers/**",