refactor: move "types" to types.ts file under "test" folder

refactor: change test greeting to French
refactor: move mocha context augmentations to types.ts file
refactor: nest Greeter tests in "greeter" folder

test/Greeter.behavior.ts → test/greeter/Greeter.behavior.ts

@@ -5,6 +5,6 @@ export function shouldBehaveLikeGreeter(): void {
     expect(await this.greeter.connect(this.signers.admin).greet()).to.equal("Hello, world!");
 
     await this.greeter.setGreeting("Hola, mundo!");
-    expect(await this.greeter.connect(this.signers.admin).greet()).to.equal("Hola, mundo!");
+    expect(await this.greeter.connect(this.signers.admin).greet()).to.equal("Bonjour, le monde!");
   });
 }

test/Greeter.ts → test/greeter/Greeter.ts

@@ -2,7 +2,7 @@ import hre from "hardhat";
 import { Artifact } from "hardhat/types";
 import { SignerWithAddress } from "@nomiclabs/hardhat-ethers/dist/src/signer-with-address";
 
-import { Greeter } from "../typechain/Greeter";
+import { Greeter } from "../../typechain/Greeter";
 import { Signers } from "../types";
 import { shouldBehaveLikeGreeter } from "./Greeter.behavior";
 

types/augmentations.d.ts → test/types.ts

@@ -1,7 +1,6 @@
-// eslint-disable @typescript-eslint/no-explicit-any
+import { SignerWithAddress } from "@nomiclabs/hardhat-ethers/dist/src/signer-with-address";
 import { Fixture } from "ethereum-waffle";
 
-import { Signers } from "./";
 import { Greeter } from "../typechain/Greeter";
 
 declare module "mocha" {
@@ -11,3 +10,7 @@ declare module "mocha" {
     signers: Signers;
   }
 }
+
+export interface Signers {
+  admin: SignerWithAddress;
+}

types/index.ts

@@ -1,5 +0,0 @@
-import { SignerWithAddress } from "@nomiclabs/hardhat-ethers/dist/src/signer-with-address";
-
-export interface Signers {
-  admin: SignerWithAddress;
-}