Add test for keywords.go

internal/util/keywords_test.go

@@ -0,0 +1,18 @@
+package util
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestKeywords(t *testing.T) {
+	t.Run("cat", func(t *testing.T) {
+		keywords := Keywords("cat")
+		assert.Equal(t, []string{"cat"}, keywords)
+	})
+	t.Run("was", func(t *testing.T) {
+		keywords := Keywords("was")
+		assert.Equal(t, []string(nil), keywords)
+	})
+}