export test name conflicts with another file

doc/Language/modules.pod6

@@ -321,7 +321,7 @@ no matter whether the using program adds any tag or not.
 5. Multiple tags may be used in the C<export> trait, but they must
    all be separated by either commas, or whitespace, but not both.
 
-   =begin code
+   =begin code :solo
    sub foo() is export(:foo :s2 :net) {}
    sub bar() is export(:bar, :s3, :some) {}
    =end code