5 files changed, 10 insertions, 10 deletions
diff --git a/testing/asserts.ts b/testing/asserts.ts
index 28dfa7911..230e2c8d2 100644
--- a/testing/asserts.ts
+++ b/testing/asserts.ts
@@ -235,7 +235,7 @@ export function assertArrayContains(
   expected: unknown[],
   msg?: string
 ): void {
-  let missing: unknown[] = [];
+  const missing: unknown[] = [];
   for (let i = 0; i < expected.length; i++) {
     let found = false;
     for (let j = 0; j < actual.length; j++) {
diff --git a/testing/bench_test.ts b/testing/bench_test.ts
index 1c6459bbb..8af2f0d6d 100644
--- a/testing/bench_test.ts
+++ b/testing/bench_test.ts
@@ -19,7 +19,7 @@ test(async function benching(): Promise<void> {
   bench(async function forAwaitFetchDenolandX10(b): Promise<void> {
     b.start();
     for (let i = 0; i < 10; i++) {
-      let r = await fetch("https://deno.land/");
+      const r = await fetch("https://deno.land/");
       await r.text();
     }
     b.stop();
@@ -31,7 +31,7 @@ test(async function benching(): Promise<void> {
     await Promise.all(
       urls.map(
         async (denoland: string): Promise<void> => {
-          let r = await fetch(denoland);
+          const r = await fetch(denoland);
           await r.text();
         }
       )
diff --git a/testing/format.ts b/testing/format.ts
index 06c1b6818..953347c27 100644
--- a/testing/format.ts
+++ b/testing/format.ts
@@ -271,7 +271,7 @@ function printIteratorEntries(
   // Too bad, so sad that separator for ECMAScript Map has been ' => '
   // What a distracting diff if you change a data structure to/from
   // ECMAScript Object or Immutable.Map/OrderedMap which use the default.
-  separator: string = ": "
+  separator = ": "
 ): string {
   let result = "";
   let current = iterator.next();
diff --git a/testing/format_test.ts b/testing/format_test.ts
index 39884d484..e2bb8df23 100644
--- a/testing/format_test.ts
+++ b/testing/format_test.ts
@@ -13,6 +13,7 @@ import { format } from "./format.ts";
 // eslint-disable-next-line max-len
 // eslint-disable-next-line @typescript-eslint/no-unused-vars,@typescript-eslint/no-explicit-any
 function returnArguments(...args: any[]): IArguments {
+  // eslint-disable-next-line prefer-rest-params
   return arguments;
 }
 
diff --git a/testing/mod.ts b/testing/mod.ts
index 329e02895..3b6386d5b 100644
--- a/testing/mod.ts
+++ b/testing/mod.ts
@@ -62,7 +62,7 @@ function disableConsole(): void {
 }
 
 const encoder = new TextEncoder();
-function print(txt: string, newline: boolean = true): void {
+function print(txt: string, newline = true): void {
   if (newline) {
     txt += "\n";
   }
@@ -172,11 +172,11 @@ function createTestResults(tests: TestDefinition[]): TestResults {
   );
 }
 
-function formatTestTime(time: number = 0): string {
+function formatTestTime(time = 0): string {
   return `${time.toFixed(2)}ms`;
 }
 
-function promptTestTime(time: number = 0, displayWarning = false): string {
+function promptTestTime(time = 0, displayWarning = false): string {
   // if time > 5s we display a warning
   // only for test time, not the full runtime
   if (displayWarning && time >= 5000) {
@@ -308,10 +308,9 @@ async function runTestsSerial(
       print(`${yellow("RUNNING")} ${name}`, false);
     }
     try {
-      let start, end;
-      start = performance.now();
+      const start = performance.now();
       await fn();
-      end = performance.now();
+      const end = performance.now();
       if (disableLog) {
         // Rewriting the current prompt line to erase `running ....`
         print(CLEAR_LINE, false);