[Tests] update to latest npm in this test

test/slow/nvm reinstall-packages/Running "nvm copy-packages $(nvm ls current)" should error out

@@ -6,6 +6,8 @@ die () { echo "$@" ; exit 1; }
 
 nvm use 0.10.28 > /dev/null
 
+nvm install-latest-npm || die 'nvm install-latest-npm failed'
+
 EXPECTED_MSG="Can not reinstall packages from the current version of node."
 ACTUAL_MSG="$(nvm reinstall-packages 0.10.28 2>&1 > /dev/null)"
 [ "~$ACTUAL_MSG" = "~$EXPECTED_MSG" ] || die "'nvm use 0.10.28 && nvm reinstall-packages 0.10.28' did not fail with the right message: '$ACTUAL_MESSAGE'"

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

@@ -4,15 +4,15 @@ die () { echo "$@" ; exit 1; }
 
 \. ../../../nvm.sh
 
-nvm exec 0.10.28 npm install -g npm@~1.4.11 # this is required because before 1.4.10, npm ls doesn't indicated linked packages
+nvm exec 0.10.28 npm install -g npm@~1.4.11 && nvm install-latest-npm # this is required because before 1.4.10, npm ls doesn't indicated linked packages
-nvm exec 0.10.29 npm install -g npm@~1.4.11 # this is required because before 1.4.10, npm ls doesn't indicated linked packages
+nvm exec 0.10.29 npm install -g npm@~1.4.11 && nvm install-latest-npm # this is required because before 1.4.10, npm ls doesn't indicated linked packages
 
 nvm use 0.10.28
 (cd test-npmlink && npm link)
 
-EXPECTED_PACKAGES="autoprefixer bower david eslint grunt-cli grunth-cli http-server jshint marked node-gyp npmlist recursive-blame spawn-sync test-npmlink uglify-js yo"
+EXPECTED_PACKAGES="autoprefixer bower david eslint grunt-cli grunth-cli http-server jshint marked node-gyp npmlist recursive-blame spawn-sync test-npmlink uglify-js"
 
-echo "$EXPECTED_PACKAGES" | sed -e 's/test-npmlink //' | xargs npm install -g --quiet
+echo "$EXPECTED_PACKAGES yo@1" | 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$/ d' | xargs
@@ -24,7 +24,7 @@ ORIGINAL_PACKAGES=$(get_packages)
 nvm reinstall-packages 0.10.28
 FINAL_PACKAGES=$(get_packages)
 
-[ "$FINAL_PACKAGES" = "$EXPECTED_PACKAGES" ] || die "final packages ($FINAL_PACKAGES) did not match expected packages ($EXPECTED_PACKAGES)"
+[ "$FINAL_PACKAGES" = "$EXPECTED_PACKAGES yo" ] || 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"