diff --git a/backend/src/__tests__/item.test.ts b/backend/src/__tests__/item.test.ts
index 3d992f9..2f3de50 100644
--- a/backend/src/__tests__/item.test.ts
+++ b/backend/src/__tests__/item.test.ts
@@ -27,6 +27,10 @@ export const userPayload = {
   contactNumber: "0712345678",
 };
 
+
+/**
+ * Main test suite
+ */
 describe("site", () => {
   beforeAll(async () => {
     const mongoServer = await MongoMemoryServer.create();
@@ -37,8 +41,13 @@ describe("site", () => {
     await mongoose.disconnect();
     await mongoose.connection.close();
   });
+
+  /**
+   * Sub test suite 1 - POST operation
+   */
   describe("create item route", () => {
     describe("given the user is not logged in", () => {
+      /* failure scenario */
       it("should return a 403", async () => {
         const { statusCode } = await supertest(app).post("/api/items");
 
@@ -46,6 +55,7 @@ describe("site", () => {
       });
     });
     describe("given the user is logged in", () => {
+      /* success scenario */
       it("should return a 200 and create the item", async () => {
         const jwt = signJwt(userPayload);
 
@@ -60,14 +70,20 @@ describe("site", () => {
       });
     });
   });
+
+  /**
+   * Sub test suite 2 - GET operation (all)
+   */
   describe("get item list route", () => {
     describe("given the user is not logged in", () => {
+      /* failure scenario */
       it("should return a 403", async () => {
         const { statusCode } = await supertest(app).get("/api/items");
         expect(statusCode).toBe(403);
       });
     });
     describe("given the user is logged in", () => {
+      /* success scenario */
       it("should return a 200 and get the item list", async () => {
         const jwt = signJwt(userPayload);
 
@@ -81,8 +97,13 @@ describe("site", () => {
       });
     });
   });
+
+  /**
+   * Sub test suite 3 - update site
+   */
   describe("update item route", () => {
     describe("given the user is not logged in", () => {
+      /* failure scenario */
       it("should return a 403", async () => {
         const oldItem = await createItem(itemPayload);
         const { statusCode } = await supertest(app).put(
@@ -93,6 +114,7 @@ describe("site", () => {
       });
     });
     describe("given the user is logged in", () => {
+      /* success scenario */
       it("should return a 200 and update the item", async () => {
         const jwt = signJwt(userPayload);
 
diff --git a/backend/src/__tests__/site.test.ts b/backend/src/__tests__/site.test.ts
index 7c3e153..4607609 100644
--- a/backend/src/__tests__/site.test.ts
+++ b/backend/src/__tests__/site.test.ts
@@ -27,6 +27,10 @@ export const userPayload = {
   contactNumber: "0712345678",
 };
 
+
+/**
+ * Main test suite
+ */
 describe("site", () => {
   beforeAll(async () => {
     const mongoServer = await MongoMemoryServer.create();
@@ -37,8 +41,14 @@ describe("site", () => {
     await mongoose.disconnect();
     await mongoose.connection.close();
   });
+
+
+  /**
+   * Sub test suite 1 - POST operation
+   */
   describe("create site route", () => {
     describe("given the user is not logged in", () => {
+      /* failure scenario */
       it("should return a 403", async () => {
         const { statusCode } = await supertest(app).post("/api/sites");
 
@@ -47,6 +57,7 @@ describe("site", () => {
     });
 
     describe("given the user is logged in", () => {
+      /* success scenario */
       it("should return a 200 and create the site", async () => {
         const jwt = signJwt(userPayload);
 
@@ -62,8 +73,12 @@ describe("site", () => {
     });
   });
 
+  /**
+   * Sub test suite 2 - GET operation (all)
+   */
   describe("get sites list route", () => {
     describe("given the user is not logged in", () => {
+      /* failure scenario */
       it("should return a 403", async () => {
         const { statusCode } = await supertest(app).get("/api/sites");
 
@@ -72,6 +87,7 @@ describe("site", () => {
     });
 
     describe("given the user is logged in", () => {
+      /* success scenario */
       it("should return a 200 and the sites", async () => {
         const jwt = signJwt(userPayload);
 
@@ -92,8 +108,12 @@ describe("site", () => {
     });
   });
 
+  /**
+   * Sub test suite 3 - GET operation (particular site)
+   */
   describe("get site by id route", () => {
     describe("given the site does not exist", () => {
+      /* failure scenario */
       it("should return a 404", async () => {
         const siteId = "site-123";
         const jwt = signJwt(userPayload);
@@ -106,6 +126,7 @@ describe("site", () => {
     });
 
     describe("given the site does exist", () => {
+      /* success scenario */
       it("should return a 200 status and the site", async () => {
         const site = await createSite(sitePayload);
         const jwt = signJwt(userPayload);
@@ -121,8 +142,12 @@ describe("site", () => {
     });
   });
 
+  /**
+   * Sub test suite 4 - update site
+   */
   describe("update site route", () => {
     describe("given the user is not logged in", () => {
+      /* failure scenario */
       it("should return a 403", async () => {
         const site = await createSite(sitePayload);
         const { statusCode } = await supertest(app).put(
@@ -133,6 +158,7 @@ describe("site", () => {
     });
 
     describe("given the user is logged in", () => {
+      /* success scenario */
       it("should return a 200 and update the site", async () => {
         const site = await createSite(sitePayload);
         const jwt = signJwt(userPayload);
diff --git a/backend/src/__tests__/user-management.test.ts b/backend/src/__tests__/user-management.test.ts
index 1837900..afa4b4d 100644
--- a/backend/src/__tests__/user-management.test.ts
+++ b/backend/src/__tests__/user-management.test.ts
@@ -28,6 +28,9 @@ const userInput: CreateUserInput["body"] = {
   contactNumber: "0712345678",
 };
 
+/**
+ * Main test suite
+ */
 describe("user-management", () => {
   beforeAll(async () => {
     const mongoServer = await MongoMemoryServer.create();
@@ -38,8 +41,12 @@ describe("user-management", () => {
     await mongoose.connection.close();
   });
 
+  /**
+   * Sub test suite 1 - POST operation
+   */
   describe("create user route", () => {
     describe("given the user is not logged in", () => {
+      /* failure scenario */
       it("should return a 403", async () => {
         const { statusCode } = await supertest(app).post(
           "/api/user-management"
@@ -50,6 +57,7 @@ describe("user-management", () => {
     });
 
     describe("given the user is logged in", () => {
+      /* success scenario */
       it("should return a 201 and create the user", async () => {
         const jwt = signJwt(userPayload);
 
@@ -65,8 +73,12 @@ describe("user-management", () => {
     });
   });
 
+  /**
+   * Sub test suite 2 - GET operation (all)
+   */
   describe("get user list route", () => {
     describe("given the user is not logged in", () => {
+      /* failure scenario */
       it("should return a 403", async () => {
         const { statusCode } = await supertest(app).get("/api/user-management");
 
@@ -75,6 +87,7 @@ describe("user-management", () => {
     });
 
     describe("given the user is logged in", () => {
+      /* success scenario */
       it("should return a 200 and the users", async () => {
         const jwt = signJwt(userPayload);
 
@@ -89,8 +102,12 @@ describe("user-management", () => {
     });
   });
 
+  /**
+   * Sub test suite 4 - update user
+   */
   describe("update user route", () => {
     describe("given the user is not logged in", () => {
+      /* failure scenario */
       it("should return a 403", async () => {
         const { statusCode } = await supertest(app).put(
           `/api/user-management/${userPayload.userId}`
@@ -101,6 +118,7 @@ describe("user-management", () => {
     });
 
     describe("given the user is logged in", () => {
+      /* success scenario */
       it("should return a 200 and update the user", async () => {
         const jwt = signJwt(userPayload);