diff --git a/test/cases/postSkipSegments400.ts b/test/cases/postSkipSegments400.ts
index 80ffd0f..ac3e351 100644
--- a/test/cases/postSkipSegments400.ts
+++ b/test/cases/postSkipSegments400.ts
@@ -22,6 +22,7 @@ describe("postSkipSegments 400 - missing params", () => {
             })
             .catch(err => done(err));
     });
+
     it("Should return 400 for missing params (JSON method) 2", (done) => {
         postSkipSegmentJSON({
             userID,
@@ -33,6 +34,7 @@ describe("postSkipSegments 400 - missing params", () => {
             })
             .catch(err => done(err));
     });
+
     it("Should return 400 for missing params (JSON method) 3", (done) => {
         postSkipSegmentJSON({
             userID,
@@ -110,6 +112,20 @@ describe("postSkipSegments 400 - missing params", () => {
             })
             .catch(err => done(err));
     });
+
+    it("Should return 400 if no segments provided", (done) => {
+        postSkipSegmentJSON({
+            videoID,
+            segments: [],
+            category: "sponsor",
+            userID
+        })
+            .then(res => {
+                assert.strictEqual(res.status, 400);
+                done();
+            })
+            .catch(err => done(err));
+    });
 });
 
 describe("postSkipSegments 400 - Chapters", () => {
diff --git a/test/cases/postSkipSegments400Stub.ts b/test/cases/postSkipSegments400Stub.ts
new file mode 100644
index 0000000..53f2b4e
--- /dev/null
+++ b/test/cases/postSkipSegments400Stub.ts
@@ -0,0 +1,32 @@
+import assert from "assert";
+import { postSkipSegmentParam } from "./postSkipSegments";
+import { config } from "../../src/config";
+import sinon from "sinon";
+
+const videoID = "postSkipSegments-404-video";
+
+describe("postSkipSegments 400 - stubbed config", () => {
+    const USERID_LIMIT = 30;
+    before(() => {
+        sinon.stub(config, "minUserIDLength").value(USERID_LIMIT);
+    });
+    after(() => {
+        sinon.restore();
+    });
+
+    it("Should return 400 if userID is too short", (done) => {
+        const userID = "a".repeat(USERID_LIMIT - 10);
+        postSkipSegmentParam({
+            videoID,
+            startTime: 1,
+            endTime: 5,
+            category: "sponsor",
+            userID
+        })
+            .then(res => {
+                assert.strictEqual(res.status, 400);
+                done();
+            })
+            .catch(err => done(err));
+    });
+});