fix: missing data directory for tests (#24)

Author: morremeyer

.github/workflows/go-test.yml

@@ -18,4 +18,6 @@ jobs:
           go-version: 1.18.0
 
       - name: go test
-        run: go test -v ./...
+        run: |
+          mkdir test/data
+          go test -v ./...