3 files changed, 23 insertions, 23 deletions
diff --git a/std/testing/README.md b/std/testing/README.md
index f970471cb..2cff96a6d 100644
--- a/std/testing/README.md
+++ b/std/testing/README.md
@@ -18,12 +18,12 @@ pretty-printed diff of failing assertion.
   and `expected` are equal.
 - `assertStrictEquals()` - Compares `actual` and `expected` strictly, therefore
   for non-primitives the values must reference the same instance.
-- `assertStringContains()` - Make an assertion that `actual` contains
+- `assertStringIncludes()` - Make an assertion that `actual` includes
   `expected`.
 - `assertMatch()` - Make an assertion that `actual` match RegExp `expected`.
 - `assertNotMatch()` - Make an assertion that `actual` not match RegExp
   `expected`.
-- `assertArrayContains()` - Make an assertion that `actual` array contains the
+- `assertArrayIncludes()` - Make an assertion that `actual` array includes the
   `expected` values.
 - `assertObjectMatch()` - Make an assertion that `actual` object match
   `expected` subset object
diff --git a/std/testing/asserts.ts b/std/testing/asserts.ts
index 1d58f0a00..d46b26ded 100644
--- a/std/testing/asserts.ts
+++ b/std/testing/asserts.ts
@@ -330,10 +330,10 @@ export function assertNotStrictEquals(
 }
 
 /**
- * Make an assertion that actual contains expected. If not
+ * Make an assertion that actual includes expected. If not
  * then thrown.
  */
-export function assertStringContains(
+export function assertStringIncludes(
   actual: string,
   expected: string,
   msg?: string,
@@ -347,26 +347,26 @@ export function assertStringContains(
 }
 
 /**
- * Make an assertion that `actual` contains the `expected` values.
+ * Make an assertion that `actual` includes the `expected` values.
  * If not then an error will be thrown.
  *
  * Type parameter can be specified to ensure values under comparison have the same type.
  * For example:
  *```ts
- *assertArrayContains<number>([1, 2], [2])
+ *assertArrayIncludes<number>([1, 2], [2])
  *```
  */
-export function assertArrayContains(
+export function assertArrayIncludes(
   actual: ArrayLike<unknown>,
   expected: ArrayLike<unknown>,
   msg?: string,
 ): void;
-export function assertArrayContains<T>(
+export function assertArrayIncludes<T>(
   actual: ArrayLike<T>,
   expected: ArrayLike<T>,
   msg?: string,
 ): void;
-export function assertArrayContains(
+export function assertArrayIncludes(
   actual: ArrayLike<unknown>,
   expected: ArrayLike<unknown>,
   msg?: string,
@@ -388,7 +388,7 @@ export function assertArrayContains(
     return;
   }
   if (!msg) {
-    msg = `actual: "${_format(actual)}" expected to contain: "${
+    msg = `actual: "${_format(actual)}" expected to include: "${
       _format(expected)
     }"\nmissing: ${_format(missing)}`;
   }
diff --git a/std/testing/asserts_test.ts b/std/testing/asserts_test.ts
index a0db48e7b..d357a761b 100644
--- a/std/testing/asserts_test.ts
+++ b/std/testing/asserts_test.ts
@@ -2,7 +2,7 @@
 import {
   _format,
   assert,
-  assertArrayContains,
+  assertArrayIncludes,
   assertEquals,
   AssertionError,
   assertMatch,
@@ -11,7 +11,7 @@ import {
   assertNotStrictEquals,
   assertObjectMatch,
   assertStrictEquals,
-  assertStringContains,
+  assertStringIncludes,
   assertThrows,
   assertThrowsAsync,
   equal,
@@ -161,12 +161,12 @@ Deno.test("testingNotEquals", function (): void {
 });
 
 Deno.test("testingAssertStringContains", function (): void {
-  assertStringContains("Denosaurus", "saur");
-  assertStringContains("Denosaurus", "Deno");
-  assertStringContains("Denosaurus", "rus");
+  assertStringIncludes("Denosaurus", "saur");
+  assertStringIncludes("Denosaurus", "Deno");
+  assertStringIncludes("Denosaurus", "rus");
   let didThrow;
   try {
-    assertStringContains("Denosaurus", "Raptor");
+    assertStringIncludes("Denosaurus", "Raptor");
     didThrow = false;
   } catch (e) {
     assert(e instanceof AssertionError);
@@ -178,14 +178,14 @@ Deno.test("testingAssertStringContains", function (): void {
 Deno.test("testingArrayContains", function (): void {
   const fixture = ["deno", "iz", "luv"];
   const fixtureObject = [{ deno: "luv" }, { deno: "Js" }];
-  assertArrayContains(fixture, ["deno"]);
-  assertArrayContains(fixtureObject, [{ deno: "luv" }]);
-  assertArrayContains(
+  assertArrayIncludes(fixture, ["deno"]);
+  assertArrayIncludes(fixtureObject, [{ deno: "luv" }]);
+  assertArrayIncludes(
     Uint8Array.from([1, 2, 3, 4]),
     Uint8Array.from([1, 2, 3]),
   );
   assertThrows(
-    (): void => assertArrayContains(fixtureObject, [{ deno: "node" }]),
+    (): void => assertArrayIncludes(fixtureObject, [{ deno: "node" }]),
     AssertionError,
     `actual: "[
   {
@@ -194,7 +194,7 @@ Deno.test("testingArrayContains", function (): void {
   {
     deno: "Js",
   },
-]" expected to contain: "[
+]" expected to include: "[
   {
     deno: "node",
   },
@@ -210,7 +210,7 @@ missing: [
 Deno.test("testingAssertStringContainsThrow", function (): void {
   let didThrow = false;
   try {
-    assertStringContains("Denosaurus from Jurassic", "Raptor");
+    assertStringIncludes("Denosaurus from Jurassic", "Raptor");
   } catch (e) {
     assert(
       e.message ===
@@ -715,7 +715,7 @@ Deno.test({
   fn(): void {
     assertEquals<string>("hello", "hello");
     assertNotEquals<number>(1, 2);
-    assertArrayContains<boolean>([true, false], [true]);
+    assertArrayIncludes<boolean>([true, false], [true]);
     const value = { x: 1 };
     assertStrictEquals<typeof value>(value, value);
     // eslint-disable-next-line @typescript-eslint/ban-types