Fix typo

Author: kysnm

lib/big_query/client/job_types.rb

@@ -9,7 +9,7 @@ def _copy(opts)
         else
           _opts[:source_table] = Google::Apis::BigqueryV2::TableReference.new(_opts[:source_table])
         end
-        _opts[:destination_table] = Google::Apis::BigqueryV2::TableReference.new(_opts[:destination_tables])
+        _opts[:destination_table] = Google::Apis::BigqueryV2::TableReference.new(_opts[:destination_table])
 
         Google::Apis::BigqueryV2::JobConfigurationCopy.new(
           _opts

lib/big_query/client/jobs.rb

@@ -54,7 +54,7 @@ def get_query_results(id, opts = {})
       def insert_job(opts, parameters = {}, media = nil)
         _opts = deep_symbolize_keys(opts)
         job_type = _opts.keys.find { |k| [:copy, :extract, :load, :query].include?(k.to_sym) }
-        job_type_configuration = __send__("_#{job_type.to_s}", deep_symbolize_keys(_opts[job_type]))
+        job_type_configuration = __send__("_#{job_type.to_s}", _opts[job_type])
         job_configuration = Google::Apis::BigqueryV2::JobConfiguration.new(
           job_type.to_sym => job_type_configuration
         )