buildAndListen now fails on port not available

[slinkydeveloper]

Fix #351

[github-actions]

Test Results

102 files  + 52  102 suites  +52   20m 17s ⏱️ + 13m 37s
 84 tests  - 674   84 ✅  - 667  0 💤  - 7  0 ❌ ±0 
215 runs   - 544  215 ✅  - 537  0 💤  - 7  0 ❌ ±0 

Results for commit 9d3e4d6. ± Comparison against base commit ca3486a.

This pull request removes 684 and adds 10 tests. Note that renamed tests count towards both.

RestateRequestIdentityVerifierTest ‑ parseKey()
dev.restate.sdk.JavaBlockingTests ‑ 100: [MockMultiThreaded][dev.restate.sdk.StateTest] GetState#run
dev.restate.sdk.JavaBlockingTests ‑ 101: [MockMultiThreaded][dev.restate.sdk.InvocationIdTest] ReturnInvocationId#run
dev.restate.sdk.JavaBlockingTests ‑ 102: [MockSingleThread][dev.restate.sdk.OnlyInputAndOutputTest] NoSyscallsGreeter#run
dev.restate.sdk.JavaBlockingTests ‑ 103: [MockMultiThreaded][dev.restate.sdk.OnlyInputAndOutputTest] NoSyscallsGreeter#run
dev.restate.sdk.JavaBlockingTests ‑ 104: [MockSingleThread][dev.restate.sdk.PromiseTest] AwaitPromise#run: Completed with success
dev.restate.sdk.JavaBlockingTests ‑ 105: [MockMultiThreaded][dev.restate.sdk.PromiseTest] AwaitPromise#run: Completed with success
dev.restate.sdk.JavaBlockingTests ‑ 106: [MockSingleThread][dev.restate.sdk.PromiseTest] AwaitPromise#run: Completed with failure
dev.restate.sdk.JavaBlockingTests ‑ 107: [MockMultiThreaded][dev.restate.sdk.PromiseTest] AwaitPromise#run: Completed with failure
dev.restate.sdk.JavaBlockingTests ‑ 108: [MockSingleThread][dev.restate.sdk.PromiseTest] PeekPromise#run: Completed with success
…

dev.restate.e2e.JavaNonDeterminismTest ‑ backgroundInvokeWithDifferentTargets
dev.restate.e2e.JavaNonDeterminismTest ‑ callDifferentMethod
dev.restate.e2e.JavaNonDeterminismTest ‑ leftSleepRightCall
dev.restate.e2e.JavaNonDeterminismTest ‑ setDifferentKey
dev.restate.e2e.JavaSideEffectTest ‑ Side effect should wait on acknowledgements
dev.restate.e2e.NodeNonDeterminismTest ‑ backgroundInvokeWithDifferentTargets
dev.restate.e2e.NodeNonDeterminismTest ‑ callDifferentMethod
dev.restate.e2e.NodeNonDeterminismTest ‑ leftSleepRightCall
dev.restate.e2e.NodeNonDeterminismTest ‑ setDifferentKey
dev.restate.e2e.NodeSideEffectTest ‑ Side effect should wait on acknowledgements