jenkins: add node-test-commit-v8-linux script

Ref: #1342
Ref: nodejs/node#20783

Author: Matheus Marchini

jenkins/scripts/node-test-v8-updates.sh

@@ -0,0 +1,17 @@
+#/bin/bash -ex
+
+###
+# node-test-v8-updates
+# Run specific Node.js tests for V8 updates (from test/v8-updates). These tests
+# are inteded to be run in Ubuntu 16.04 machines.
+###
+
+rm -rf build
+git clone https://github.com/nodejs/build.git
+
+. ./build/jenkins/scripts/node-test-commit-pre.sh
+
+./configure;
+make -j $(getconf NPROCESSORS_ONLN);
+
+python tools/test.py -p tap --logfile test.tap --mode=release v8-updates