Disable a test as the built-in openssl on macOS does not support negative days (#1457)

Co-authored-by: Sindre Sorhus <sindresorhus@gmail.com>

Author: Giotino

test/https.ts

@@ -115,14 +115,17 @@ test('https request with `checkServerIdentity` NOT OK', withHttpsServer(), async
 	);
 });
 
-test('https request with expired certificate', withHttpsServer({days: -1}), async (t, _server, got) => {
-	await t.throwsAsync(
-		got({}),
-		{
-			code: 'CERT_HAS_EXPIRED'
-		}
-	);
-});
+// The built-in `openssl` on macOS does not support negative days.
+if (process.platform !== 'darwin') {
+	test('https request with expired certificate', withHttpsServer({days: -1}), async (t, _server, got) => {
+		await t.throwsAsync(
+			got({}),
+			{
+				code: 'CERT_HAS_EXPIRED'
+			}
+		);
+	});
+}
 
 test('https request with wrong host', withHttpsServer({commonName: 'not-localhost.com'}), async (t, _server, got) => {
 	await t.throwsAsync(