mason: fix some bugs

extra/mason/build/build-tests.factor

@@ -1,5 +1,2 @@
 USING: mason.build tools.test sequences ;
 IN: mason.build.tests
-
-{ create-build-dir enter-build-dir clone-builds-factor record-id }
-[ must-infer ] each

extra/mason/email/email-tests.factor

@@ -5,7 +5,6 @@ USING: mason.email mason.common mason.config namespaces tools.test ;
     [
         "linux" target-os set
         "x86.64" target-cpu set
-        status-error status set
-        subject prefix-subject
+        status-error subject prefix-subject
     ] with-scope
 ] unit-test

extra/mason/report/report.factor

@@ -63,6 +63,7 @@ IN: mason.report
         benchmark-time-file
         html-help-time-file
     } [
+        execute( -- string )
         dup utf8 file-contents milli-seconds>time
         [XML <tr><td><-></td><td><-></td></tr> XML]
     ] map [XML <h2>Timings</h2> <table><-></table> XML] ;