fix: --spec now allows () in filename

cli/CHANGELOG.md

@@ -7,6 +7,9 @@ _Released 4/16/2024 (PENDING)_
 
 - Updated the Chrome flags to not show the "Enhanced Ad Privacy" dialog. Addresses [#29199](https://github.com/cypress-io/cypress/issues/29199).
 
+**Bugfixes**
+ - Specs with () in the filename will no longer fail to load and now behave as any other spec. Fixes [#28509](https://github.com/cypress-io/cypress/issues/28509)
+
 ## 13.7.2
 
 _Released 4/2/2024_

packages/server/lib/util/args.js

@@ -234,6 +234,9 @@ const parseSpecArgv = (pattern) => {
     ]
   }
 
+  // Escape parentheses.
+  pattern = pattern.replace(/[()]/g, '\\$&')
+
   /**
    * Sanitizes a path's leftover commas.
    *

packages/server/test/unit/util/args_spec.js

@@ -216,6 +216,13 @@ describe('lib/util/args', () => {
       expect(options.spec[2]).to.eq(`${getCwd()}/cypress/integration/foo2/bar/baz/test.ts`)
       expect(options.spec[3]).to.eq(`${getCwd()}/cypress/integration/foo3/bar/baz/foo4.ts`)
     })
+
+    // https://github.com/cypress-io/cypress/issues/28509
+    it('correctly escapes parentheses in filename', function () {
+      const options = this.setup('--spec', 'cypress/integration/foo/bar/test().ts')
+
+      expect(options.spec[0]).to.eq(`${getCwd()}/cypress/integration/foo/bar/test\\(\\).ts`)
+    })
   })
 
   context('--tag', () => {