test: added local module scripting example

packages/bruno-tests/collection/lib/math.js

@@ -0,0 +1,5 @@
+const sum = (a, b) => a + b;
+
+module.exports = {
+  sum
+};

packages/bruno-tests/collection/scripting/local modules/sum.bru

@@ -0,0 +1,42 @@
+meta {
+  name: sum
+  type: http
+  seq: 1
+}
+
+post {
+  url: {{host}}/api/echo/json
+  body: json
+  auth: none
+}
+
+body:json {
+  {
+    "a": 1,
+    "b": 2
+  }
+}
+
+assert {
+  res.status: eq 200
+}
+
+script:pre-request {
+  const math = require("./lib/math");
+  
+  const body = req.getBody();
+  body.sum = body.a + body.b;
+  
+  req.setBody(body);
+}
+
+tests {
+  test("should return json", function() {
+    const data = res.getBody();
+    expect(res.getBody()).to.eql({
+      "a": 1,
+      "b": 2,
+      "sum": 3
+    });
+  });
+}