info() public method

Example: $info = $insertResponse->info(); print_r($info['insertErrors']);
See also: https://cloud.google.com/bigquery/docs/reference/v2/tabledata/insertAll#response Tabledata insertAll API response documentation.
public info ( ) : array
return array
 public function testSuccess()
 {
     $apiResponse = ['kind' => 'bigquery#tableDataInsertAllResponse'];
     $insertResponse = new InsertResponse($apiResponse, []);
     $this->assertTrue($insertResponse->isSuccessful());
     $this->assertEmpty($insertResponse->failedRows());
     $this->assertEquals($apiResponse, $insertResponse->info());
 }