fix: Change to "greater than" for limit on number of elements (#386)

Fixes #149

Author: wyardley

packages/packages/google-gax/src/bundling.ts

@@ -384,10 +384,10 @@ export class BundleExecutor {
     const countLimit = this._options.elementCountLimit || 0;
     const byteLimit = this._options.requestByteLimit || 0;
 
-    if ((countLimit > 0 && elementCount >= countLimit) ||
+    if ((countLimit > 0 && elementCount > countLimit) ||
         (byteLimit > 0 && requestBytes >= byteLimit)) {
       let message;
-      if (countLimit > 0 && elementCount >= countLimit) {
+      if (countLimit > 0 && elementCount > countLimit) {
         message = 'The number of elements ' + elementCount +
             ' exceeds the limit ' + this._options.elementCountLimit;
       } else {

packages/packages/google-gax/test/bundling.ts

@@ -704,7 +704,7 @@ describe('Executor', () => {
     expect(Object.keys(executor._tasks).length).to.eq(0);
 
     executor.schedule(
-        spy, {field1: [1, 2, 3, 4, 5, 6, 7], field2: 'id'}, err => {
+        spy, {field1: [1, 2, 3, 4, 5, 6, 7, 8], field2: 'id'}, err => {
           expect(err).to.be.an.instanceOf(Error);
           done();
         });