test: update empty insert escape cursor expectation

Author: leohenon

packages/opencode/test/cli/tui/vim-motions.test.ts

@@ -1142,15 +1142,15 @@ describe("vim motion handler", () => {
     expect(ctx.textarea.cursorOffset).toBe(1)
   })
 
-  test("escape from insert leaves cursor inside line content alone", () => {
+  test("escape from empty insert moves cursor back like vim", () => {
     const ctx = createHandler("abc")
     ctx.textarea.cursorOffset = 1
     expect(ctx.handler.handleKey(createEvent("i").event)).toBe(true)
     expect(ctx.state.mode()).toBe("insert")
 
     expect(ctx.handler.handleKey(createEvent("escape").event)).toBe(true)
     expect(ctx.state.mode()).toBe("normal")
-    expect(ctx.textarea.cursorOffset).toBe(1)
+    expect(ctx.textarea.cursorOffset).toBe(0)
   })
 
   test("o opens line below and enters insert", () => {