Fix test script ugh.

mega-test-quick.cfg

-linux-gcc-4.7       932 ./super-test.sh tmpdir capnp-gcc-4.7 quick gcc-4.7
-linux-gcc-4.8       932 ./super-test.sh tmpdir capnp-gcc-4.8 quick gcc-4.8
-linux-clang         962 ./super-test.sh tmpdir capnp-clang quick clang
-mac                 886 ./super-test.sh remote beat caffeinate quick
-cygwin              925 ./super-test.sh remote Kenton@flashman quick
+linux-gcc-4.9       950 ./super-test.sh tmpdir capnp-gcc-4.9 quick gcc-4.9
+linux-gcc-4.8       950 ./super-test.sh tmpdir capnp-gcc-4.8 quick gcc-4.8
+linux-clang         980 ./super-test.sh tmpdir capnp-clang quick clang
+mac                 905 ./super-test.sh remote beat caffeinate quick
+cygwin              945 ./super-test.sh remote Kenton@flashman quick

super-test.sh

@@ -60,7 +60,7 @@ while [ $# -gt 0 ]; do
       echo "Pushing code to $HOST..."
       echo "========================================================================="
       BRANCH=$(git rev-parse --abbrev-ref HEAD)
-      ssh $HOST 'chmod -R +w tmp-test-capnp && rm -rf tmp-test-capnp && mkdir tmp-test-capnp && git init tmp-test-capnp'
+      ssh $HOST '(chmod -fR +w tmp-test-capnp || true) && rm -rf tmp-test-capnp && mkdir tmp-test-capnp && git init tmp-test-capnp'
       git push ssh://$HOST/~/tmp-test-capnp "$BRANCH:test"
       ssh $HOST "cd tmp-test-capnp && git checkout test"
       scp -qr c++/gtest $HOST:~/tmp-test-capnp/c++/gtest