#6239 Repro: Not possible to sort by Custom Expression fields (#18029)

frontend/test/metabase/scenarios/question/reproductions/6239.cy.spec.js

+import { restore, popover, openOrdersTable } from "__support__/e2e/cypress";
+
+describe.skip("issue 6239", () => {
+  beforeEach(() => {
+    restore();
+    cy.signInAsAdmin();
+
+    openOrdersTable({ mode: "notebook" });
+
+    cy.findByText("Summarize").click();
+    cy.findByText("Custom Expression").click();
+
+    cy.get("[contenteditable='true']")
+      .type("CountIf([Total] > 0)")
+      .blur();
+    cy.findByPlaceholderText("Name (required)").type("CE");
+    cy.button("Done").click();
+
+    cy.findByText("Pick a column to group by").click();
+    popover()
+      .contains("Created At")
+      .first()
+      .click();
+  });
+
+  it("should be possible to sort by using custom expression (metabase#6239)", () => {
+    cy.findByText("Sort").click();
+    popover()
+      .contains(/^CE$/)
+      .click();
+
+    cy.button("Visualize").click();
+
+    // Line chart renders initially. Switch to the table view.
+    cy.icon("table2").click();
+
+    cy.get(".cellData")
+      .eq(1)
+      .should("contain", "CE")
+      .and("have.descendants", ".Icon-chevronup");
+
+    cy.get(".cellData")
+      .eq(3)
+      .invoke("text")
+      .should("eq", "1");
+
+    // Go back to the notebook editor
+    cy.icon("notebook").click();
+
+    // Sort descending this time
+    cy.icon("arrow_up").click();
+    cy.icon("arrow_up").should("not.exist");
+    cy.icon("arrow_down");
+
+    cy.button("Visualize").click();
+
+    cy.get(".cellData")
+      .eq(1)
+      .should("contain", "CE")
+      .and("have.descendants", ".Icon-chevrondown");
+
+    cy.get(".cellData")
+      .eq(3)
+      .invoke("text")
+      .should("eq", "584");
+  });
+});