diff --git a/.gitignore b/.gitignore
index 405725d..2e9701a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,8 @@ coverage/
 node_modules/
 npm-debug.log
 
-lib
+/lib/*
+
+!test/e2e/sample/lib/*
 
 **/*.csv
\ No newline at end of file
diff --git a/test/e2e/sample/lib/externalScriptFile.js b/test/e2e/sample/lib/externalScriptFile.js
new file mode 100644
index 0000000..f6cc634
--- /dev/null
+++ b/test/e2e/sample/lib/externalScriptFile.js
@@ -0,0 +1,9 @@
+module.exports = function (context, req) {
+    context.log('"./lib/externalScriptFile" function called');
+    const res = {
+        body: {
+            "success":true
+        }
+    }
+    context.done(null, res);
+};
\ No newline at end of file
diff --git a/test/e2e/sample/lib/model.js b/test/e2e/sample/lib/model.js
new file mode 100644
index 0000000..b0d17ca
--- /dev/null
+++ b/test/e2e/sample/lib/model.js
@@ -0,0 +1,18 @@
+let sql = require('tedious');
+
+class Model {
+    getAll() {
+        const request = new sql.Request("select 'hello'", function(err, rowCount) {
+            // no op
+        });
+        return Promise.resolve([]);
+    }
+
+    add() {
+        return Promise.resolve({});
+    }
+}
+
+module.exports = {
+    Model: Model
+}
\ No newline at end of file