Test new defines

Author: Flamefire

.github/workflows/ci.yml

@@ -42,7 +42,7 @@ jobs:
     # Customization:
     with:
       b2_targets: libs/boost-ci/test//test
-      b2_defines: FOO=1 BAR=2
+      b2_defines: FOO="Hello world" BAR=2
       b2_link: shared,static
       b2_variant: debug
       library_folder: boost-ci