add test to ensure 'focus' does fail, in addition to 'focused' passing

Author: dominicfraser

tests/lib/rules/unsafe-to-chain-command.js

@@ -31,6 +31,11 @@ ruleTester.run('action-ends-chain', rule, {
       parserOptions,
       errors,
     },
+    {
+      code: 'cy.get("new-todo").focus().should("have.class", "active");',
+      parserOptions,
+      errors,
+    },
     {
       code: 'cy.get("new-todo").customType("todo A{enter}").customClick();',
       parserOptions,