fix link

ShMcK · ShMcK · commit c5f2f47c6609 · 2016-02-24T14:15:59.000-08:00
diff --git a/_posts/2016-01-10-test-runner.md b/_posts/2016-01-10-test-runner.md
@@ -1,7 +1,7 @@
 ---
 layout: docs
 title: Test Runners
-id: test-runner
+id: test-runners
 file: 2016-01-10-test-runner.md
 ---
 A test runner works by creating a child process and calling a test framework with target files.
