Update sse_test.go

sse_test.go

@@ -50,7 +50,7 @@ data:id:fake
 `)
 
 	decoded, _ := Decode(w)
-	assert.Equal(t, "t\n:<>\r\test", decoded[0].Event)
+	assert.Equal(t, "t\\n:<>\\r\test", decoded[0].Event)
 	assert.Equal(t, decoded[0].Data, []Event{event}[0].Data)
 }