Don't trigger ci tests on md changes

Change-Id: Iec3867be19e85f4e5606137994ece4767413a18b
diff --git a/.github/workflows/test-coverage.yaml b/.github/workflows/test-coverage.yaml
index 4a96993..cb460f2 100644
--- a/.github/workflows/test-coverage.yaml
+++ b/.github/workflows/test-coverage.yaml
@@ -3,8 +3,12 @@
 on:
   push:
     branches: [main, master]
+    paths-ignore:
+      - '**.md'
   pull_request:
     branches: [main, master]
+    paths-ignore:
+      - '**.md'
 
 name: test-coverage