Make tests style more uniform (#4812)

test/token/ERC1155/extensions/ERC1155Pausable.test.js

@@ -18,7 +18,7 @@ describe('ERC1155Pausable', function () {
     Object.assign(this, await loadFixture(fixture));
   });
 
-  context('when token is paused', function () {
+  describe('when token is paused', function () {
     beforeEach(async function () {
       await this.token.connect(this.holder).setApprovalForAll(this.operator, true);
       await this.token.$_mint(this.holder, firstTokenId, firstTokenValue, '0x');

test/token/ERC20/extensions/ERC20Wrapper.test.js

@@ -26,7 +26,7 @@ describe('ERC20Wrapper', function () {
   });
 
   afterEach('Underlying balance', async function () {
-    expect(await this.underlying.balanceOf(this.token)).to.be.equal(await this.token.totalSupply());
+    expect(await this.underlying.balanceOf(this.token)).to.equal(await this.token.totalSupply());
   });
 
   it('has a name', async function () {
@@ -38,17 +38,17 @@ describe('ERC20Wrapper', function () {
   });
 
   it('has the same decimals as the underlying token', async function () {
-    expect(await this.token.decimals()).to.be.equal(decimals);
+    expect(await this.token.decimals()).to.equal(decimals);
   });
 
   it('decimals default back to 18 if token has no metadata', async function () {
     const noDecimals = await ethers.deployContract('CallReceiverMock');
     const token = await ethers.deployContract('$ERC20Wrapper', [`Wrapped ${name}`, `W${symbol}`, noDecimals]);
-    expect(await token.decimals()).to.be.equal(18n);
+    expect(await token.decimals()).to.equal(18n);
   });
 
   it('has underlying', async function () {
-    expect(await this.token.underlying()).to.be.equal(this.underlying);
+    expect(await this.token.underlying()).to.equal(this.underlying);
   });
 
   describe('deposit', function () {

test/token/ERC20/utils/SafeERC20.test.js

@@ -168,7 +168,7 @@ function shouldOnlyRevertOnErrors() {
   });
 
   describe('approvals', function () {
-    context('with zero allowance', function () {
+    describe('with zero allowance', function () {
       beforeEach(async function () {
         await this.token.$_approve(this.mock, this.spender, 0n);
       });
@@ -195,7 +195,7 @@ function shouldOnlyRevertOnErrors() {
       });
     });
 
-    context('with non-zero allowance', function () {
+    describe('with non-zero allowance', function () {
       beforeEach(async function () {
         await this.token.$_approve(this.mock, this.spender, 100n);
       });

test/token/ERC721/extensions/ERC721Burnable.test.js

@@ -48,7 +48,7 @@ describe('ERC721Burnable', function () {
           await this.token.connect(this.owner).burn(tokenId);
         });
 
-        context('getApproved', function () {
+        describe('getApproved', function () {
           it('reverts', async function () {
             await expect(this.token.getApproved(tokenId))
               .to.be.revertedWithCustomError(this.token, 'ERC721NonexistentToken')

test/token/ERC721/extensions/ERC721Pausable.test.js

@@ -19,7 +19,7 @@ describe('ERC721Pausable', function () {
     Object.assign(this, await loadFixture(fixture));
   });
 
-  context('when token is paused', function () {
+  describe('when token is paused', function () {
     beforeEach(async function () {
       await this.token.$_mint(this.owner, tokenId);
       await this.token.$_pause();