Add codecov.yml to ignore test dir in coverage reports.
diff --git a/codecov.yml b/codecov.yml
new file mode 100644
index 0000000..4585f76
--- /dev/null
+++ b/codecov.yml
@@ -0,0 +1,4 @@
+# YAML definition for codecov.io code coverage reports.
+
+ignore:
+ - "test"