add fuzz test for yqutil

Signed-off-by: Adam Korczynski <adam@adalogics.com>

Author: AdamKorcz

pkg/yqutil/fuzz_test.go

@@ -0,0 +1,11 @@
+package yqutil
+
+import (
+	"testing"
+)
+
+func FuzzEvaluateExpression(f *testing.F) {
+	f.Fuzz(func(_ *testing.T, expression string, content []byte) {
+		_, _ = EvaluateExpression(expression, content)
+	})
+}