Add e2e test
diff --git a/core/kg/log/noop.go b/core/kg/log/noop.go
new file mode 100644
index 0000000..5839b7d
--- /dev/null
+++ b/core/kg/log/noop.go
@@ -0,0 +1,9 @@
+package log
+
+type NoOpLogger struct {
+}
+
+func (l *NoOpLogger) Debug(message string, fields ...Field) {}
+func (l *NoOpLogger) Info(message string, fields ...Field)  {}
+func (l *NoOpLogger) Warn(message string, fields ...Field)  {}
+func (l *NoOpLogger) Error(message string, fields ...Field) {}