Now that we have good verbosity, turn it on for Travis

It's nearly impossible to determine what goes wrong in the tests
running there without this.
Reviewed-by: NRich Salz <rsalz@openssl.org>

.travis.yml

@@ -104,7 +104,7 @@ script:
     - if [ -n "$CROSS_COMPILE" ]; then
           export EXE_SHELL="wine" WINEPREFIX=`pwd`;
       fi
-    - make test
+    - HARNESS_VERBOSE=yes make test
     - cd ..
 
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