Drop all commands from output

jest.config.js

@@ -12,11 +12,9 @@ module.exports = {
 
 const processStdoutWrite = process.stdout.write.bind(process.stdout)
 process.stdout.write = (str, encoding, cb) => {
+  // Core library will directly call process.stdout.write for commands
   // We don't want :: commands to be executed by the runner during tests
-  // Replace any :: with :
   if (!str.match(/^::/)) {
     return processStdoutWrite(str, encoding, cb);
-  } else {
-    return processStdoutWrite(str.replace(/::/g, ":"), encoding, cb);
   }
-}
+}