test: 将卸载测试移至单独文件并优化关闭逻辑

将test_mumu.py中的卸载测试移至单独的test_uninstall.py文件
在卸载测试中添加模拟器关闭操作
移除test_mumu.py中冗余的关闭模拟器测试

mumu-pytest/test_mumu.py

@@ -49,21 +49,3 @@ def test_run_sequence(emulator):
         pytest.skip("模拟器未运行")
     
     emulator.run_sequence()
-
-
-def test_close_emulator(emulator):
-    """测试关闭模拟器"""
-    time.sleep(3)
-    if emulator.is_running():
-        emulator.close()
-    assert not emulator.is_running(), "模拟器关闭失败"
-
-
-def test_uninstall_app(emulator):
-    """测试卸载 flomo app"""
-    time.sleep(3)
-    if not emulator.is_running():
-        pytest.skip("模拟器未运行")
-    
-    result = emulator.uninstall_app_ui()
-    assert result, "卸载 app 失败"