lint: fix spec/unit/sanitiser

spec/unit/sanitiser/strategy_spec.rb

@@ -0,0 +1,13 @@
+RSpec.describe Sanitiser::Strategy do
+  context "with sanitize_null_bytes true" do
+    it "raises an error if the string contains a null byte" do
+      expect { described_class.call("Hello\x00World!", sanitize_null_bytes: true) }.to raise_error(Sanitiser::Strategy::SanitisingError)
+    end
+  end
+
+  context "with sanitize_null_bytes false" do
+    it "does not raise an error if the string contains a null byte" do
+      expect { described_class.call("Hello\x00World!", sanitize_null_bytes: false) }.not_to raise_error
+    end
+  end
+end