[tester::#GM9] Running tests for Stage #GM9 (Autocompletion - Completion with arguments)
[tester::#GM9] Running ./your_program.sh
[tester::#GM9] ✓ Received prompt ($ )
[tester::#GM9] Typed "ech"
[tester::#GM9] ✓ Prompt line matches "$ ech"
[tester::#GM9] Pressed "<TAB>" (expecting autocomplete to "echo")
[your-program] $ ech
[tester::#GM9] ^ Line does not match expected value.
[tester::#GM9] Expected: "$ echo "
[tester::#GM9] Received: "$ ech"
[tester::#GM9] Assertion failed.
[tester::#GM9] Test failed