fix(testing): avoid cypress crashes (#9196)

Author: tenphi

packages/cubejs-testing/cypress/e2e/rollup-designer.js

@@ -62,8 +62,14 @@ context("Playground: Rollup Designer", () => {
       cy.getByTestId("prism-code").should("contain.text", "main: ");
       cy.getByTestId("rd-input-every").clear().type("3");
       cy.getByTestId("rd-select-every-granularity")
+        // This crazy chain of commands is needed to avoid crashing
         .find("input")
-        .type("Day{enter}", { force: true });
+        .focus({ force: true })
+        .wait(500)
+        .click({ force: true })
+        .wait(500)
+        .type("Day{enter}", { force: true })
+        .wait(500);
       cy.getByTestId("prism-code").should("contain.text", "every: `3 day`");
       cy.getByTestId("rd-add-btn")
         .should("be.visible")