[Tests] pin `david` to v11

v11.1.0 and v12 no longer work on node 0.10; v11.1.1 should.

See https://github.com/alanshaw/david/issues/159

test/slow/nvm reinstall-packages/should work as expected

@@ -10,9 +10,10 @@ nvm exec 0.10.29 npm install -g npm@~1.4.11 && nvm install-latest-npm # this is
 nvm use 0.10.28
 (cd test-npmlink && npm link)
 
-EXPECTED_PACKAGES="autoprefixer bower david grunt-cli grunth-cli http-server jshint marked node-gyp npmlist recursive-blame spawn-sync test-npmlink uglify-js"
+EXPECTED_PACKAGES="autoprefixer bower david grunt-cli grunth-cli http-server jshint marked node-gyp npmlist recursive-blame spawn-sync test-npmlink uglify-js yo"
+EXPECTED_PACKAGES_INSTALL="autoprefixer bower david@11 grunt-cli grunth-cli http-server jshint marked node-gyp npmlist recursive-blame spawn-sync test-npmlink uglify-js yo@1"
 
-echo "$EXPECTED_PACKAGES yo@1" | sed -e 's/test-npmlink //' | xargs npm install -g --quiet
+echo "$EXPECTED_PACKAGES_INSTALL" | sed -e 's/test-npmlink //' | xargs npm install -g --quiet
 
 get_packages() {
   npm list -g --depth=0 | \sed -e '1 d' -e 's/^.* \(.*\)@.*/\1/' -e '/^npm$/ d' | xargs
@@ -24,7 +25,7 @@ ORIGINAL_PACKAGES=$(get_packages)
 nvm reinstall-packages 0.10.28
 FINAL_PACKAGES=$(get_packages)
 
-[ "$FINAL_PACKAGES" = "$EXPECTED_PACKAGES yo" ] || die "final packages ($FINAL_PACKAGES) did not match expected packages ($EXPECTED_PACKAGES)"
+[ "$FINAL_PACKAGES" = "$EXPECTED_PACKAGES" ] || die "final packages ($FINAL_PACKAGES) did not match expected packages ($EXPECTED_PACKAGES)"
 [ "$ORIGINAL_PACKAGES" != "$FINAL_PACKAGES" ] || die "original packages matched final packages ($ORIGINAL_PACKAGES)"
 
 [ $(test-npmlink) = 'ok' ] || die "failed to run test-npmlink"