upload coverage for linux/macos.

Author: jonhadfield

.github/workflows/tests.yml

@@ -29,9 +29,9 @@ jobs:
       -
         name: Tests
         run: |
-          go mod tidy
           go install github.com/axw/gocov/gocov
           go install github.com/AlekSi/gocov-xml
+          go mod tidy
           go test -cover -v -failfast -p 1 $(go list ./...) -coverprofile cover.out
           gocov convert cover.out | gocov-xml > coverage.xml
         if: runner.os != 'Windows'