Use test-prelude instead of importing dependencies directly

src/atmp/index.test.ts

@@ -1,5 +1,8 @@
-import { describe, it } from 'https://deno.land/[email protected]/testing/bdd.ts'
-import { assertEquals } from 'https://deno.land/[email protected]/testing/asserts.ts'
+import {
+  assertEquals,
+  describe,
+  it,
+} from '../test-prelude.ts'
 import { atmp, map, mapError, pipe, sequence } from './index.ts'
 import type { Attempt, ErrorWithMessage, Result } from './index.ts'
 import { Equal, Expect } from './types.test.ts'

src/atmp/types.test.ts

@@ -1,6 +1,9 @@
 // deno-lint-ignore-file ban-ts-comment no-namespace no-unused-vars
-import { describe, it } from 'https://deno.land/[email protected]/testing/bdd.ts'
-import { assertEquals } from 'https://deno.land/[email protected]/testing/asserts.ts'
+import {
+  assertEquals,
+  describe,
+  it,
+} from '../test-prelude.ts'
 import * as Subject from './types.ts'
 
 export type Expect<T extends true> = T