Use --catch_system_errors=no for WAVM unit tests

This is needed so that boost test framework doesn't steal the SEGV handler from WAVM

tests/CMakeLists.txt

@@ -46,7 +46,7 @@ configure_file(${CMAKE_CURRENT_SOURCE_DIR}/consensus-validation-malicious-produc
 #Manually run chain_test for all supported runtimes
 #To run chain_test with all log from blockchain displayed, put --verbose after --, i.e. chain_test -- --verbose
 add_test(NAME chain_test_binaryen COMMAND chain_test --report_level=detailed --color_output -- --binaryen)
-add_test(NAME chain_test_wavm COMMAND chain_test --report_level=detailed --color_output -- --wavm)
+add_test(NAME chain_test_wavm COMMAND chain_test --report_level=detailed --color_output --catch_system_errors=no -- --wavm)
 add_test(NAME nodeos_run_test COMMAND tests/nodeos_run_test.py -v --dump-error-detail WORKING_DIRECTORY ${CMAKE_BINARY_DIR})
 add_test(NAME nodeos_run_remote_test COMMAND tests/nodeos_run_remote_test.py -v --dump-error-detail WORKING_DIRECTORY ${CMAKE_BINARY_DIR})
 add_test(NAME p2p_dawn515_test COMMAND tests/p2p_tests/dawn_515/test.sh WORKING_DIRECTORY ${CMAKE_BINARY_DIR})