xml switch flipped for the tests!
diff --git a/examples/all_features/CMakeLists.txt b/examples/all_features/CMakeLists.txt
index 14890da..2202648 100644
--- a/examples/all_features/CMakeLists.txt
+++ b/examples/all_features/CMakeLists.txt
@@ -54,6 +54,7 @@
 # queries
 doctest_add_test(NAME version           COMMAND $<TARGET_FILE:all_features> -v)
 doctest_add_test(NAME help              ${common_args} -h)
+doctest_add_test(NO_OUTPUT NAME outfile ${common_args} -c   -out=temp) # just to exercise the output option
 doctest_add_test(NAME count             ${common_args} -c   -sf=*coverage*)
 doctest_add_test(NAME list_test_cases   ${common_args} -ltc -sf=*coverage*)
 doctest_add_test(NAME list_test_suites  ${common_args} -lts -sf=*coverage*)