It should be possible to transfer

some shares to another user

test/index.ts

@@ -10,12 +10,30 @@ describe("Apartment", function () {
     const Apartment = await ethers.getContractFactory("Apartment");
     const apartment = await Apartment.deploy();
 
-    [owner, Alice, Bob, Joe] = await ethers.getSigners();
+    [owner] = await ethers.getSigners();
 
     await apartment.deployed();
     let ownerBalance = await apartment.balanceOf(owner.address);
 
     expect(ownerBalance).to.equal(100);
 
   })
+
+  it("It should be possible to transfer some shares to another user", async () => {
+    const Apartment = await ethers.getContractFactory("Apartment");
+    const apartment = await Apartment.deploy();
+
+    [owner, Alice] = await ethers.getSigners();
+
+    await apartment.deployed();
+    await apartment.transfer(Alice.address, 20);
+    expect(await apartment.balanceOf(Alice.address)).to.equal(20);
+    expect(await apartment.balanceOf(owner.address)).to.equal(80);
+  })
+
+
+
+
+
+
 });