webhooks: Add missing gitlab test fixture.

zerver/webhooks/gitlab/fixtures/job_hook__build_created.json

@@ -0,0 +1,50 @@
+{
+  "object_kind": "build",
+  "ref": "gitlab-script-trigger",
+  "tag": false,
+  "before_sha": "2293ada6b400935a1378653304eaf6221e0fdb8f",
+  "sha": "2293ada6b400935a1378653304eaf6221e0fdb8f",
+  "build_id": 1977,
+  "build_name": "test",
+  "build_stage": "test",
+  "build_status": "created",
+  "build_started_at": null,
+  "build_finished_at": null,
+  "build_duration": null,
+  "build_allow_failure": false,
+  "build_failure_reason": "script_failure",
+  "pipeline_id": 2366,
+  "project_id": 380,
+  "project_name": "gitlab-org/gitlab-test",
+  "user": {
+    "id": 3,
+    "name": "User",
+    "email": "user@gitlab.com",
+    "avatar_url": "http://www.gravatar.com/avatar/e32bd13e2add097461cb96824b7a829c?s=80\u0026d=identicon"
+  },
+  "commit": {
+    "id": 2366,
+    "sha": "2293ada6b400935a1378653304eaf6221e0fdb8f",
+    "message": "test\n",
+    "author_name": "User",
+    "author_email": "user@gitlab.com",
+    "status": "created",
+    "duration": null,
+    "started_at": null,
+    "finished_at": null
+  },
+  "repository": {
+    "name": "gitlab_test",
+    "description": "Atque in sunt eos similique dolores voluptatem.",
+    "homepage": "http://192.168.64.1:3005/gitlab-org/gitlab-test",
+    "git_ssh_url": "git@192.168.64.1:gitlab-org/gitlab-test.git",
+    "git_http_url": "http://192.168.64.1:3005/gitlab-org/gitlab-test.git",
+    "visibility_level": 20
+  },
+  "runner": {
+    "active": true,
+    "is_shared": false,
+    "id": 380987,
+    "description": "shared-runners-manager-6.gitlab.com"
+  }
+}