add options argument to cy.contains TS definition (#4756)

cli/types/index.d.ts

@@ -573,8 +573,10 @@ declare namespace Cypress {
      *    cy.contains(/^b\w+/)
      *    // yields <ul>...</ul>
      *    cy.contains('ul', 'apples')
+     *    // tries to find the given text for up to 1 second
+     *    cy.contains('my text to find', {timeout: 1000})
      */
-    contains(content: string | number | RegExp): Chainable<Subject>
+    contains(content: string | number | RegExp, options?: Partial<Loggable & Timeoutable>): Chainable<Subject>
     /**
      * Get the child DOM element that contains given text.
      *

cli/types/tests/cypress-tests.ts

@@ -191,7 +191,7 @@ cy.wrap([{ foo: 'bar' }, { foo: 'baz' }])
     })
   })
 
-  cy.get('something').should('have.length', 1)
+cy.get('something').should('have.length', 1)
 
 cy.stub().withArgs('').log(false).as('foo')
 
@@ -297,3 +297,11 @@ namespace CypressTriggerTests {
 
 const now = new Date(2019, 3, 2).getTime()
 cy.clock(now, ['Date'])
+
+namespace CypressContainsTests {
+  cy.contains('#app')
+  cy.contains('my text to find')
+  cy.contains('#app', 'my text to find')
+  cy.contains('#app', 'my text to find', {log: false, timeout: 100})
+  cy.contains('my text to find', {log: false, timeout: 100})
+}