Update some lingering references to id_str

With the move to mastodon these should now be id.

Author: ojwb

client.js

@@ -153,8 +153,8 @@ var clientID = "Cli0";
         }
 
         // Tweet ID will be used in tmp filenames passed into shell exec, so check it's safe.  For a real tweet it should be numeric while for a testcase it can contain alphanumerics.
-        if (/\W/.test(tweet.id_str)) {
-          console.error("id_str contained unexpected character");
+        if (/\W/.test(tweet.id)) {
+          console.error("id contained unexpected character");
           process.exit(1);
         }
 

test.js

@@ -177,14 +177,14 @@ function Tests(since_id){
   function noOutput(tweet) {
     // If the checksum is empty then we expect no output.
     if (tweet.bbcmicrobot_checksum == '') {
-      console.log(tweet.id_str+' TEST - \u001b[32mOK\u001b[0m')
+      console.log(tweet.id+' TEST - \u001b[32mOK\u001b[0m')
     } else {
-      throw new Error(tweet.id_str+' TEST - \u001b[31mFAILED\u001b[0m')
+      throw new Error(tweet.id+' TEST - \u001b[31mFAILED\u001b[0m')
     }
   }
 
   function block(tweet) {
-    throw new Error(tweet.id_str+' TEST - \u001b[31mFAILED\u001b[0m')
+    throw new Error(tweet.id+' TEST - \u001b[31mFAILED\u001b[0m')
   }
 
   module.exports = {