赛普拉斯字符串比较失败

Question

字符串完全相同。赛普拉斯为何认为它们不同？

[INFO   ] [Logger      ] Record log in /home/michael/.kivy/logs/kivy_20-09-27_37.txt
[INFO   ] [Kivy        ] v2.0.0rc3, git-20c14b2, 20200615
[INFO   ] [Kivy        ] Installed at "/home/michael/anaconda3/lib/python3.8/site-packages/kivy/__init__.py"
[INFO   ] [Python      ] v3.8.3 (default, Jul  2 2020, 16:21:59) 
[GCC 7.3.0]
[INFO   ] [Python      ] Interpreter at "/home/michael/anaconda3/bin/python"
[INFO   ] [Factory     ] 185 symbols loaded
[INFO   ] [Image       ] Providers: img_tex, img_dds, img_sdl2, img_pil (img_ffpyplayer, img_gif ignored)
[INFO   ] [Text        ] Provider: sdl2
[INFO   ] [Window      ] Provider: sdl2
[INFO   ] [GL          ] Using the "OpenGL" graphics system
[INFO   ] [GL          ] Backend used <sdl2>
[INFO   ] [GL          ] OpenGL version <b'3.0 Mesa 20.0.8'>
[INFO   ] [GL          ] OpenGL vendor <b'Intel Open Source Technology Center'>
[INFO   ] [GL          ] OpenGL renderer <b'Mesa DRI Intel(R) HD Graphics 4000 (IVB GT2)'>
[INFO   ] [GL          ] OpenGL parsed version: 3, 0
[INFO   ] [GL          ] Shading version <b'1.30'>
[INFO   ] [GL          ] Texture max size <16384>
[INFO   ] [GL          ] Texture max units <16>
[INFO   ] [Window      ] auto add sdl2 input provider
[INFO   ] [Window      ] virtual keyboard not allowed, single mode, not docked
[INFO   ] [ProbeSysfs  ] device match: /dev/input/event4
[INFO   ] [MTD         ] Read event from </dev/input/event4>
[INFO   ] [Base        ] Start application main loop
[WARNING] [MTD         ] Unable to open device "/dev/input/event4". Please ensure you have the appropriate permissions.
[INFO   ] [Base        ] Leaving application in progress...

const resultsMessage = `Search results for ${testQuery}`;

cy.get('[data-test=results-header]').then((el) => {
  expect(el.text().trim()).to.contain(resultsMessage);
});