diff --git a/source/core/errors.ts b/source/core/errors.ts
index cda0f7cc2..5d62bf536 100644
--- a/source/core/errors.ts
+++ b/source/core/errors.ts
@@ -96,7 +96,7 @@ export class HTTPError<T = any> extends RequestError<T> {
 	declare readonly timings: Timings;
 
 	constructor(response: PlainResponse) {
-		super(`Response code ${response.statusCode} (${response.statusMessage!})`, {}, response.request);
+		super(`Response code ${response.statusCode} (${response.statusMessage!}), Body: ${response.body}`, {}, response.request);
 		this.name = 'HTTPError';
 		this.code = 'ERR_NON_2XX_3XX_RESPONSE';
 	}
diff --git a/tsconfig.json b/tsconfig.json
index 44fd86748..fbb08d571 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -13,5 +13,8 @@
 		"source",
 		"test",
 		"benchmark"
+	],
+	"exclude": [
+		"test/",
 	]
 }