refactor: use explicit mocha imports (#692)

test/browser-test/test.endtoend.ts

@@ -30,6 +30,7 @@
  */
 
 import * as assert from 'assert';
+import {describe, it} from 'mocha';
 import {expect} from 'chai';
 // @ts-ignore
 import * as EchoClient from '../fixtures/google-gax-packaging-test-app/src/v1beta1/echo_client';

test/browser-test/test.grpc-fallback.ts

@@ -30,6 +30,7 @@
  */
 
 import * as assert from 'assert';
+import {describe, it} from 'mocha';
 import * as protobuf from 'protobufjs';
 import * as fallback from '../../src/fallback';
 import * as sinon from 'sinon';

test/browser-test/test.unit.ts

@@ -33,6 +33,7 @@
 // Copied from gax-nodejs/system-test/fixtures/google-gax-packaging-test-app/test/gapic-v1beta1.js
 
 import * as assert from 'assert';
+import {describe, it} from 'mocha';
 import * as through2 from 'through2';
 //@ts-ignore
 import * as EchoClient from '../fixtures/google-gax-packaging-test-app/src/v1beta1/echo_client';

test/fixtures/google-gax-packaging-test-app/src/index.js

@@ -15,6 +15,7 @@
 'use strict';
 
 const assert = require('assert');
+const {describe, it} = require('mocha');
 const grpc = require('@grpc/grpc-js');
 
 // Import the clients for each version supported by this package.

test/fixtures/google-gax-packaging-test-app/test/.eslintrc.yml

@@ -1,5 +1,3 @@
 ---
-env:
-  mocha: true
 rules:
   node/no-unpublished-require: off

test/fixtures/google-gax-packaging-test-app/test/gapic-v1beta1.js

@@ -15,6 +15,7 @@
 'use strict';
 
 const assert = require('assert');
+const {describe, it} = require('mocha');
 const through2 = require('through2');
 
 const showcaseModule = require('../src');

test/unit/compileProtos.ts

@@ -29,6 +29,7 @@
  */
 
 import * as assert from 'assert';
+import {describe, it} from 'mocha';
 import * as fs from 'fs';
 import * as rimraf from 'rimraf';
 import * as util from 'util';

test/unit/exports.ts

@@ -31,6 +31,7 @@
 import * as index from '../../src/index';
 import * as fallback from '../../src/fallback';
 import * as assert from 'assert';
+import {describe, it} from 'mocha';
 
 const version = require('../../../package.json').version;
 

test/unit/fallbackError.ts

@@ -30,6 +30,7 @@
  */
 
 import * as assert from 'assert';
+import {describe, it} from 'mocha';
 import * as fs from 'fs';
 import * as path from 'path';
 import {FallbackErrorDecoder} from '../../src/fallbackError';

test/unit/grpc-fallback.ts

@@ -30,6 +30,7 @@
  */
 
 import * as assert from 'assert';
+import {describe, it} from 'mocha';
 import * as path from 'path';
 import * as fs from 'fs';
 import * as nodeFetch from 'node-fetch';