[doc] Fix broken link in the main README.md file
@@ -288,7 +288,7 @@ If you have Clang `3.7` installed you might see the following warning message:
* [Package layout](package_layout.md)
* [Dependencies](deps.md)
* [Thrift interface](web/api/README.md)
-* [Package and integration tests](tests/README.md)
+* [Package and integration tests](tests.md)
## Conference papers, presentations
* A high-level overview about the infrastructure is available amongst the
