Add Jest tests to the lint job

Change-Id: If0d63bc11f264e6e7287afdd0940d0f3b4ac1cf7
diff --git a/playbooks/lint/post.yaml b/playbooks/lint/post.yaml
new file mode 100644
index 0000000..b852ed6
--- /dev/null
+++ b/playbooks/lint/post.yaml
@@ -0,0 +1,7 @@
+- name: Get Jest log
+  hosts: all
+  roles:
+    - fetch-log-file
+  vars:
+    sourceFile: "{{ zuul.project.src_dir }}/out/jest-log.txt"
+    logFileName: "jest-log.txt"
diff --git a/playbooks/lint/run.yaml b/playbooks/lint/run.yaml
index a82cfc6..7a217b8 100644
--- a/playbooks/lint/run.yaml
+++ b/playbooks/lint/run.yaml
@@ -4,3 +4,4 @@
       make_target: build_test_extension
     - role: web-ext-lint
       source_dir: "dist/gecko"
+    - role: test