HTTP/2 integration tests - Part 1 (#365)

- Added hpack echo test.
- Changed Stream manager stress tests to accept 1% of failure in case of internet flaky.

Author: TingDaoK

source/hpack.c

@@ -13,6 +13,8 @@
 #include <aws/common/logging.h>
 #include <aws/common/string.h>
 
+#include <inttypes.h>
+
 /* #TODO split hpack encoder/decoder into different types */
 
 /* #TODO test empty strings */

tests/CMakeLists.txt

@@ -245,6 +245,7 @@ add_test_case(hpack_decode_indexed_from_dynamic_table)
 add_test_case(hpack_dynamic_table_empty_value)
 add_test_case(hpack_dynamic_table_with_empty_header)
 add_test_case(hpack_dynamic_table_size_update_from_setting)
+add_net_test_case(hpack_stress)
 
 add_test_case(h2_header_empty_payload)
 add_one_byte_at_a_time_test_set(h2_header_ex_2_1)

tests/test_connection_monitor.c

@@ -17,7 +17,7 @@
 #include <aws/testing/io_testing_channel.h>
 
 #ifdef _MSC_VER
-#    pragma warning(disable : 4996) /* Disable warnings about sptrintf() being insecure */
+#    pragma warning(disable : 4996) /* Disable warnings about sprintf() being insecure */
 #endif
 
 static int s_test_http_connection_monitor_options_is_valid(struct aws_allocator *allocator, void *ctx) {