Fix external-assertions snapshot for Node.js 20.11

Vary the snapshots by minor version were appropriate.

test/external-assertions/snapshots/test.js.md

@@ -4,7 +4,7 @@ The actual snapshot is saved in `test.js.snap`.
 
 Generated by [AVA](https://avajs.dev).
 
-## node assertion (node.js v18)
+## node assertion (node.js v^18)
 
 > Snapshot 1
 
@@ -46,7 +46,7 @@ Generated by [AVA](https://avajs.dev).
     ␊
       2 tests failed`
 
-## expect error (node.js v18)
+## expect error (node.js v^18)
 
 > Snapshot 1
 
@@ -96,7 +96,7 @@ Generated by [AVA](https://avajs.dev).
     ␊
       2 tests failed`
 
-## node assertion (node.js v20)
+## node assertion (node.js v^20 < 20.11)
 
 > Snapshot 1
 
@@ -138,7 +138,7 @@ Generated by [AVA](https://avajs.dev).
     ␊
       2 tests failed`
 
-## expect error (node.js v20)
+## expect error (node.js v^20 < 20.11)
 
 > Snapshot 1
 
@@ -188,7 +188,7 @@ Generated by [AVA](https://avajs.dev).
     ␊
       2 tests failed`
 
-## node assertion (node.js v21)
+## node assertion (node.js v^20.11)
 
 > Snapshot 1
 
@@ -235,7 +235,104 @@ Generated by [AVA](https://avajs.dev).
     ␊
       2 tests failed`
 
-## expect error (node.js v21)
+## expect error (node.js v^20.11)
+
+> Snapshot 1
+
+    `␊
+      ✘ [fail]: test Assertion failed␊
+      ✘ [fail]: test async Assertion failed␊
+      ─␊
+    ␊
+      test␊
+    ␊
+      Assertion failed: ␊
+    ␊
+      expect(received).toBeTruthy()␊
+    ␊
+      Received: false␊
+    ␊
+      Error: expect(received).toBeTruthy()␊
+    ␊
+      Received: false␊
+          at ---␊
+          at ---␊
+          at ---␊
+          at ---␊
+          at ---␊
+          at ---␊
+          at ---␊
+          at ---␊
+          at ---␊
+    ␊
+    ␊
+    ␊
+      test async␊
+    ␊
+      Assertion failed: ␊
+    ␊
+      expect(received).toBeTruthy()␊
+    ␊
+      Received: false␊
+    ␊
+      Error: expect(received).toBeTruthy()␊
+    ␊
+      Received: false␊
+          at ---␊
+          at ---␊
+    ␊
+      ─␊
+    ␊
+      2 tests failed`
+
+## node assertion (node.js v^21)
+
+> Snapshot 1
+
+    `␊
+      ✘ [fail]: test Assertion failed␊
+      ✘ [fail]: test async Assertion failed␊
+      ─␊
+    ␊
+      test␊
+    ␊
+      Assertion failed: ␊
+    ␊
+      The expression evaluated to a falsy value:␊
+    ␊
+        assert(false)␊
+    ␊
+      AssertionError [ERR_ASSERTION]: The expression evaluated to a falsy value:␊
+    ␊
+        assert(false)␊
+    ␊
+          at ---␊
+          at ---␊
+          at ---␊
+          at ---␊
+          at ---␊
+          at ---␊
+          at ---␊
+          at ---␊
+          at ---␊
+    ␊
+    ␊
+    ␊
+      test async␊
+    ␊
+      Assertion failed: ␊
+    ␊
+      false == true␊
+    ␊
+      AssertionError [ERR_ASSERTION]: false == true␊
+          at ---␊
+          at ---␊
+    ␊
+      ─␊
+    ␊
+      2 tests failed`
+
+## expect error (node.js v^21)
 
 > Snapshot 1
 

test/external-assertions/test.js

@@ -13,21 +13,24 @@ const snapshotStdout = (t, stdout) => {
 	t.snapshot(normalized);
 };
 
-const major = process.versions.node.split('.')[0];
-
-for (const version of ['18', '20', '21']) {
+for (const [label, selector] of Object.entries({
+	'^18': /^18\./,
+	'^20 < 20.11': /^20\.(\d\.|10\.)/,
+	'^20.11': /^20\.(1[1-9]\.|[2-9]\d\.)/,
+	'^21': /^21\./,
+})) {
 	// Tests need to be declared for all versions, so that snapshots can be
 	// updated by running `npx test-ava -u test/external-assertions/test.js` for
 	// each supported version. However only the tests for the current version
 	// can run, so skip the others.
-	const declare = version === major ? test : test.skip;
+	const declare = selector.test(process.versions.node) ? test : test.skip;
 
-	declare(`node assertion (node.js v${version})`, async t => {
+	declare(`node assertion (node.js v${label})`, async t => {
 		const result = await t.throwsAsync(fixture(['assert-failure.js']));
 		snapshotStdout(t, result.stdout);
 	});
 
-	declare(`expect error (node.js v${version})`, async t => {
+	declare(`expect error (node.js v${label})`, async t => {
 		const result = await t.throwsAsync(fixture(['expect-failure.js']));
 		snapshotStdout(t, result.stdout);
 	});