Failed to launch checking. Introduction/Chat/Create the app

[edutools-service]

Although I wrote the code exactly as required, but I keep getting a gradle error message when I check my answer!
Execution failed for task ':Introduction-Chat-CreateTheApp:test'.

There were failing tests. See the report at: file:///home/firas/IdeaProjects/Course%20Kotlin%20English/Introduction/Chat/CreateTheApp/build/reports/tests/test/index.html

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[nbirillo]

We need the tests report (or the user code) to reproduce this bug