diff --git a/src/config/config-misc.test.ts b/src/config/config-misc.test.ts
new file mode 100644
index 00000000000..e3853666889
--- /dev/null
+++ b/src/config/config-misc.test.ts
@@ -0,0 +1,89 @@
+import { describe, expect, it } from "vitest";
+import { validateConfigObject } from "./config.js";
+import { OpenClawSchema } from "./zod-schema.js";
+
+describe("$schema key in config (#14998)", () => {
+  it("accepts config with $schema string", () => {
+    const result = OpenClawSchema.safeParse({
+      $schema: "https://openclaw.ai/config.json",
+    });
+    expect(result.success).toBe(true);
+    if (result.success) {
+      expect(result.data.$schema).toBe("https://openclaw.ai/config.json");
+    }
+  });
+
+  it("accepts config without $schema", () => {
+    const result = OpenClawSchema.safeParse({});
+    expect(result.success).toBe(true);
+  });
+
+  it("rejects non-string $schema", () => {
+    const result = OpenClawSchema.safeParse({ $schema: 123 });
+    expect(result.success).toBe(false);
+  });
+});
+
+describe("ui.seamColor", () => {
+  it("accepts hex colors", () => {
+    const res = validateConfigObject({ ui: { seamColor: "#FF4500" } });
+    expect(res.ok).toBe(true);
+  });
+
+  it("rejects non-hex colors", () => {
+    const res = validateConfigObject({ ui: { seamColor: "lobster" } });
+    expect(res.ok).toBe(false);
+  });
+
+  it("rejects invalid hex length", () => {
+    const res = validateConfigObject({ ui: { seamColor: "#FF4500FF" } });
+    expect(res.ok).toBe(false);
+  });
+});
+
+describe("web search provider config", () => {
+  it("accepts perplexity provider and config", () => {
+    const res = validateConfigObject({
+      tools: {
+        web: {
+          search: {
+            enabled: true,
+            provider: "perplexity",
+            perplexity: {
+              apiKey: "test-key",
+              baseUrl: "https://api.perplexity.ai",
+              model: "perplexity/sonar-pro",
+            },
+          },
+        },
+      },
+    });
+
+    expect(res.ok).toBe(true);
+  });
+});
+
+describe("talk.voiceAliases", () => {
+  it("accepts a string map of voice aliases", () => {
+    const res = validateConfigObject({
+      talk: {
+        voiceAliases: {
+          Clawd: "EXAVITQu4vr4xnSDxMaL",
+          Roger: "CwhRBWXzGAHq8TQ4Fs17",
+        },
+      },
+    });
+    expect(res.ok).toBe(true);
+  });
+
+  it("rejects non-string voice alias values", () => {
+    const res = validateConfigObject({
+      talk: {
+        voiceAliases: {
+          Clawd: 123,
+        },
+      },
+    });
+    expect(res.ok).toBe(false);
+  });
+});
diff --git a/src/config/config.schema-key.test.ts b/src/config/config.schema-key.test.ts
deleted file mode 100644
index effa08347fa..00000000000
--- a/src/config/config.schema-key.test.ts
+++ /dev/null
@@ -1,24 +0,0 @@
-import { describe, expect, it } from "vitest";
-import { OpenClawSchema } from "./zod-schema.js";
-
-describe("$schema key in config (#14998)", () => {
-  it("accepts config with $schema string", () => {
-    const result = OpenClawSchema.safeParse({
-      $schema: "https://openclaw.ai/config.json",
-    });
-    expect(result.success).toBe(true);
-    if (result.success) {
-      expect(result.data.$schema).toBe("https://openclaw.ai/config.json");
-    }
-  });
-
-  it("accepts config without $schema", () => {
-    const result = OpenClawSchema.safeParse({});
-    expect(result.success).toBe(true);
-  });
-
-  it("rejects non-string $schema", () => {
-    const result = OpenClawSchema.safeParse({ $schema: 123 });
-    expect(result.success).toBe(false);
-  });
-});
diff --git a/src/config/config.talk-voicealiases.test.ts b/src/config/config.talk-voicealiases.test.ts
deleted file mode 100644
index e7e32c5b698..00000000000
--- a/src/config/config.talk-voicealiases.test.ts
+++ /dev/null
@@ -1,27 +0,0 @@
-import { describe, expect, it } from "vitest";
-import { validateConfigObject } from "./config.js";
-
-describe("talk.voiceAliases", () => {
-  it("accepts a string map of voice aliases", () => {
-    const res = validateConfigObject({
-      talk: {
-        voiceAliases: {
-          Clawd: "EXAVITQu4vr4xnSDxMaL",
-          Roger: "CwhRBWXzGAHq8TQ4Fs17",
-        },
-      },
-    });
-    expect(res.ok).toBe(true);
-  });
-
-  it("rejects non-string voice alias values", () => {
-    const res = validateConfigObject({
-      talk: {
-        voiceAliases: {
-          Clawd: 123,
-        },
-      },
-    });
-    expect(res.ok).toBe(false);
-  });
-});
diff --git a/src/config/config.web-search-provider.test.ts b/src/config/config.web-search-provider.test.ts
deleted file mode 100644
index a0f1c6acded..00000000000
--- a/src/config/config.web-search-provider.test.ts
+++ /dev/null
@@ -1,24 +0,0 @@
-import { describe, expect, it } from "vitest";
-import { validateConfigObject } from "./config.js";
-
-describe("web search provider config", () => {
-  it("accepts perplexity provider and config", () => {
-    const res = validateConfigObject({
-      tools: {
-        web: {
-          search: {
-            enabled: true,
-            provider: "perplexity",
-            perplexity: {
-              apiKey: "test-key",
-              baseUrl: "https://api.perplexity.ai",
-              model: "perplexity/sonar-pro",
-            },
-          },
-        },
-      },
-    });
-
-    expect(res.ok).toBe(true);
-  });
-});
diff --git a/src/config/ui-seam-color.test.ts b/src/config/ui-seam-color.test.ts
deleted file mode 100644
index 6483a0c8129..00000000000
--- a/src/config/ui-seam-color.test.ts
+++ /dev/null
@@ -1,19 +0,0 @@
-import { describe, expect, it } from "vitest";
-import { validateConfigObject } from "./config.js";
-
-describe("ui.seamColor", () => {
-  it("accepts hex colors", () => {
-    const res = validateConfigObject({ ui: { seamColor: "#FF4500" } });
-    expect(res.ok).toBe(true);
-  });
-
-  it("rejects non-hex colors", () => {
-    const res = validateConfigObject({ ui: { seamColor: "lobster" } });
-    expect(res.ok).toBe(false);
-  });
-
-  it("rejects invalid hex length", () => {
-    const res = validateConfigObject({ ui: { seamColor: "#FF4500FF" } });
-    expect(res.ok).toBe(false);
-  });
-});