provisioning: place testfiles within testdata folder

pkg/services/provisioning/datasources/testdata/insert-two-delete-two/one-datasources.yaml

@@ -0,0 +1,7 @@
+datasources:
+  - name: Prometheus
+    type: prometheus
+    access: proxy
+    url: http://localhost:9090
+delete_datasources:
+  - name: old-graphite