refactor: rename files to follow Go convention

test/unused_param_test.go

@@ -0,0 +1,22 @@
+package test
+
+import (
+	"testing"
+
+	"github.com/mgechev/revive/lint"
+	"github.com/mgechev/revive/rule"
+)
+
+func TestUnusedParam(t *testing.T) {
+	testRule(t, "unused_param", &rule.UnusedParamRule{})
+	testRule(t, "unused_param_custom_regex", &rule.UnusedParamRule{}, &lint.RuleConfig{Arguments: []any{
+		map[string]any{"allowRegex": "^xxx"},
+	}})
+}
+
+func BenchmarkUnusedParam(b *testing.B) {
+	var t *testing.T
+	for i := 0; i <= b.N; i++ {
+		testRule(t, "unused_param", &rule.UnusedParamRule{})
+	}
+}