Tests

Fix race condition on stoppping/sending a prompt right away #1135

Job	Run time
unit-test (ubuntu-24.04, 24)	45s
graalvm-build	5m 39s
jvm-integration-test (macos-latest, 24)	5m 51s
unit-test (macos-latest, 24)	2m 39s
jvm-integration-test (windows-latest, 24)	4m 58s
jvm-integration-test (ubuntu-24.04, 24)	2m 52s
unit-test (windows-latest, 24)	1m 12s
nix-build	7m 9s
graalvm-integration-test	1m 20s
	32m 25s

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