test_expect_success \
        "overriding author from command line" \
        "echo 'gak' >file && \
-        git commit -m 'author' --author 'Rubber Duck <rduck@convoy.org>' -a"
+        git commit -m 'author' --author 'Rubber Duck <rduck@convoy.org>' -a >output 2>&1"
+
+test_expect_success \
+       "commit --author output mentions author" \
+       "grep Rubber.Duck output"
 
 test_expect_success PERL \
        "interactive add" \