chore: Implement unit tests for UtilHandlers class

[kimbor]

Add unit tests for UtilHandlers class

Related issue(s):

Fixes #13221

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Node: HAPI Test (Restart) Results

2 tests   2 :white_check_mark:  5m 31s :stopwatch: 2 suites  0 :zzz: 2 files    0 :x:

Results for commit f37dce04.

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Node: HAPI Test (Node Death Reconnect) Results

2 tests   2 :white_check_mark:  6m 47s :stopwatch: 2 suites  0 :zzz: 2 files    0 :x:

Results for commit f37dce04.

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Node: HAPI Test (Token) Results

235 tests   233 :white_check_mark:  18m 55s :stopwatch:  17 suites    2 :zzz:  17 files      0 :x:

Results for commit f37dce04.

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Node: HAPI Test (Crypto) Results

335 tests   335 :white_check_mark:  35m 22s :stopwatch:  25 suites    0 :zzz:  25 files      0 :x:

Results for commit f37dce04.

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Node: HAPI Test (Misc) Results

459 tests   449 :white_check_mark:  44m 46s :stopwatch:  77 suites   10 :zzz:  77 files      0 :x:

Results for commit f37dce04.

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Node: HAPI Test (Time Consuming) Results

21 tests   21 :white_check_mark:  54m 3s :stopwatch:  3 suites   0 :zzz:  3 files     0 :x:

Results for commit f37dce04.

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Node: Unit Test Results

  2 283 files  +1    2 283 suites  +1   3h 25m 41s :stopwatch: + 59m 49s 118 825 tests +1  118 758 :white_check_mark: +1  67 :zzz: ±0  0 :x: ±0  127 310 runs  +1  127 243 :white_check_mark: +1  67 :zzz: ±0  0 :x: ±0 

Results for commit f37dce04. ± Comparison against base commit 11d5e0e2.

This pull request removes 3995 and adds 3759 tests. Note that renamed tests count towards both.

  
             IssuerDN: CN=s-aaaa
            SubjectDN: CN=s-aaaa
           Final Date: Fri Jan 01 00:00:00 UTC 2100
           Public Key: RSA Public Key [2e:28:bc:1e:d3:83:25:92:8e:cb:98:b1:b6:84:06:9c:d5:d8:14:d5],[56:66:d1:a4]
           Start Date: Sat Jan 01 00:00:00 UTC 2000
         SerialNumber: 12482092706667292405
        modulus: c1a0ff5d2372b53d12d12bb87dd03f5e…
        modulus: c1a0ff5d2372b53d12d12bb87dd03f5…
…

com.hedera.node.app.grpc.impl.netty.GrpcServiceBuilderTest ‑ [4] 

com.hedera.node.app.grpc.impl.netty.GrpcServiceBuilderTest ‑ [6] 

com.hedera.node.app.grpc.impl.netty.GrpcServiceBuilderTest ‑ [7]   
  
com.hedera.node.app.service.mono.state.codec.VirtualKeySerdesAdapterTest ‑ [10] com.hedera.node.app.service.mono.state.codec.VirtualBlobKey@889e84e3
com.hedera.node.app.service.mono.state.codec.VirtualKeySerdesAdapterTest ‑ [11] com.hedera.node.app.service.mono.state.codec.VirtualBlobKey@f08b05f3
com.hedera.node.app.service.mono.state.codec.VirtualKeySerdesAdapterTest ‑ [12] com.hedera.node.app.service.mono.state.codec.VirtualBlobKey@ebf60df5
com.hedera.node.app.service.mono.state.codec.VirtualKeySerdesAdapterTest ‑ [13] com.hedera.node.app.service.mono.state.codec.VirtualBlobKey@e7502644
com.hedera.node.app.service.mono.state.codec.VirtualKeySerdesAdapterTest ‑ [14] com.hedera.node.app.service.mono.state.codec.VirtualBlobKey@9d03b96d
com.hedera.node.app.service.mono.state.codec.VirtualKeySerdesAdapterTest ‑ [15] com.hedera.node.app.service.mono.state.codec.VirtualBlobKey@d47a65e0
com.hedera.node.app.service.mono.state.codec.VirtualKeySerdesAdapterTest ‑ [16] com.hedera.node.app.service.mono.state.codec.VirtualBlobKey@7df369c
…

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Node: HAPI Test (Smart Contract) Results

592 tests   592 :white_check_mark:  1h 12m 58s :stopwatch:  63 suites    0 :zzz:  63 files      0 :x:

Results for commit f37dce04.