Cache loadlevel
diff --git a/datokenizer_test.go b/datokenizer_test.go
index 335c7ee..86df806 100644
--- a/datokenizer_test.go
+++ b/datokenizer_test.go
@@ -44,8 +44,9 @@
 	assert := assert.New(t)
 	tok := ParseFile("testdata/tokenizer.fst")
 	dat := tok.ToDoubleArray()
-	assert.True(dat.loadLevel() >= 70)
+	assert.True(dat.LoadLevel() >= 70)
 	assert.True(dat.Match("bau"))
 	assert.True(dat.Match("bad"))
 	assert.True(dat.Match("wald gehen"))
+	assert.Fail("1")
 }