Merge pull request #210 from datastax/ruby-235_tests

[RUBY-235] Integration tests for execution info retries

Author: kishkaru

integration/idempotency_test.rb

@@ -62,6 +62,7 @@ def test_statement_idempotency_on_timeout
     end
 
     info = session.execute('SELECT * FROM test', consistency: :one, idempotent: true).execution_info
+    assert_equal 1, info.retries
     assert_equal 2, info.hosts.size
     assert_equal '127.0.0.1', info.hosts[0].ip.to_s
     assert_equal '127.0.0.2', info.hosts[1].ip.to_s
@@ -101,6 +102,7 @@ def test_statement_idempotency_on_timeout_no_keyspace_predefined
     end
 
     info = session.execute('SELECT * FROM simplex.test', consistency: :one, idempotent: true).execution_info
+    assert_equal 1, info.retries
     assert_equal 2, info.hosts.size
     assert_equal '127.0.0.1', info.hosts[0].ip.to_s
     assert_equal '127.0.0.2', info.hosts[1].ip.to_s