Document the need for two beans.xml for injection from /src/main/java (#923)

[Weld] Document the need for a beans.xml per source root

Author: albers

weld/src/test/java/cucumber/runtime/java/weld/BellyStepdefs.java

@@ -12,6 +12,10 @@
 @Singleton
 public class BellyStepdefs {
 
+    // For injecting classes from src/test/java, your beans.xml has to be
+    // located in src/test/resources.
+    // If you want to inject classes from src/main/java, you will need an
+    // additional beans.xml in src/main/resources.
     @Inject
     private Belly belly;