🐛 When we are creating path for the files to store them in S3 (#583)

* 🐛When we are creating path for the files to store them in S3, sometimes it's with trailing "/" and sometimes without

tdrive/backend/node/test/unit/core/services/storage/connectors/storage-service.test.ts

@@ -0,0 +1,31 @@
+import StorageService from "../../../../../../src/core/platform/services/storage/storage-service";
+import { jest } from "@jest/globals";
+import { TdriveServiceConfiguration } from "../../../../../../src/core/platform/framework";
+
+describe("The StorageService", () => {
+
+  beforeEach(async () => {
+  });
+
+  afterEach(() => {
+    jest.clearAllMocks();
+  });
+
+  test("StorageService constructor should throw an exception for S3 storage configuration when home directory starts with trailing slash", async () => {
+    //when
+    expect(() => {
+      new StorageService({
+        configuration: {
+          get(name: string){
+            if (name === "type") return "S3";
+            if (name === "S3.homeDirectory") return "/my_mock_folder";
+            return null;
+          }
+        } as TdriveServiceConfiguration,
+        name: "MockStorageService",
+      })
+    }).toThrow("For S3 connector home directory MUST NOT start with '/'");
+
+  });
+
+});