diff --git a/src/logger.test.ts b/src/logger.test.ts
index 9f87d4b379..93523906e3 100644
--- a/src/logger.test.ts
+++ b/src/logger.test.ts
@@ -67,7 +67,7 @@ describe("logger helpers", () => {
 
   it("uses daily rolling default log file and prunes old ones", () => {
     resetLogger();
-    setLoggerOverride({}); // force defaults regardless of user config
+    setLoggerOverride({ level: "info" }); // force default file path with enabled file logging
     const today = localDateString(new Date());
     const todayPath = path.join(DEFAULT_LOG_DIR, `openclaw-${today}.log`);
 
diff --git a/src/logging/console.ts b/src/logging/console.ts
index ad3d99a2ef..879a250676 100644
--- a/src/logging/console.ts
+++ b/src/logging/console.ts
@@ -37,6 +37,9 @@ function normalizeConsoleLevel(level?: string): LogLevel {
   if (isVerbose()) {
     return "debug";
   }
+  if (!level && process.env.VITEST === "true" && process.env.OPENCLAW_TEST_CONSOLE !== "1") {
+    return "silent";
+  }
   return normalizeLogLevel(level, "info");
 }
 
diff --git a/src/logging/logger.ts b/src/logging/logger.ts
index 63de56aed2..b3ddd65d92 100644
--- a/src/logging/logger.ts
+++ b/src/logging/logger.ts
@@ -63,7 +63,9 @@ function resolveSettings(): ResolvedSettings {
       cfg = undefined;
     }
   }
-  const level = normalizeLogLevel(cfg?.level, "info");
+  const defaultLevel =
+    process.env.VITEST === "true" && process.env.OPENCLAW_TEST_FILE_LOG !== "1" ? "silent" : "info";
+  const level = normalizeLogLevel(cfg?.level, defaultLevel);
   const file = cfg?.file ?? defaultRollingPathForToday();
   return { level, file };
 }
diff --git a/src/web/auto-reply.web-auto-reply.falls-back-text-media-send-fails.test.ts b/src/web/auto-reply.web-auto-reply.falls-back-text-media-send-fails.test.ts
index df6ef74752..a44351199e 100644
--- a/src/web/auto-reply.web-auto-reply.falls-back-text-media-send-fails.test.ts
+++ b/src/web/auto-reply.web-auto-reply.falls-back-text-media-send-fails.test.ts
@@ -146,8 +146,8 @@ describe("web auto-reply", () => {
 
     const smallPng = await sharp({
       create: {
-        width: 200,
-        height: 200,
+        width: 64,
+        height: 64,
         channels: 3,
         background: { r: 0, g: 255, b: 0 },
       },
@@ -251,8 +251,8 @@ describe("web auto-reply", () => {
 
     const bigPng = await sharp({
       create: {
-        width: 3200,
-        height: 3200,
+        width: 2000,
+        height: 2000,
         channels: 3,
         background: { r: 255, g: 0, b: 0 },
       },