diff --git a/test/test-helpers.ts b/test/test-helpers.ts
index bfc665c..9fe4f6a 100644
--- a/test/test-helpers.ts
+++ b/test/test-helpers.ts
@@ -3,22 +3,22 @@ import { Printer } from 'bite-log';
 export function makeTestPrinter(): Printer & { messages: any } {
   const printer = {
     messages: {
-      log: [] as string[],
-      debug: [] as string[],
-      warn: [] as string[],
-      error: [] as string[]
+      log: [] as any[][],
+      debug: [] as any[][],
+      warn: [] as any[][],
+      error: [] as any[][]
     },
-    log(msg: string) {
-      printer.messages.log.push(msg);
+    log(_msg: string) {
+      printer.messages.log.push([...arguments]);
     },
-    debug(msg: string) {
-      printer.messages.debug.push(msg);
+    debug(_msg: string) {
+      printer.messages.debug.push([...arguments]);
     },
-    warn(msg: string) {
-      printer.messages.warn.push(msg);
+    warn(_msg: string) {
+      printer.messages.warn.push([...arguments]);
     },
-    error(msg: string) {
-      printer.messages.error.push(msg);
+    error(_msg: string) {
+      printer.messages.error.push([...arguments]);
     }
   };
   return printer;