chore: TokenUnpauseHandler increase unit test coverage

[derektriley]

Description:
Adds unit tests for pureChecks and calculateFees. Increases coverage to 100%.

Related issue(s):
#13356

Notes for reviewer:

Checklist

• Documented (Code comments, README, etc.)
• Tested (unit, integration, etc.)

[github-actions]

Node: HAPI Test (Node Death Reconnect) Results

2 tests   2 ✅  9m 23s ⏱️
2 suites  0 💤
2 files    0 ❌

Results for commit 412c5a1.

[github-actions]

Node: HAPI Test (Restart) Results

2 tests   2 ✅  8m 12s ⏱️
2 suites  0 💤
2 files    0 ❌

Results for commit 412c5a1.

[github-actions]

Node: Unit Test Results

  2 312 files  ±0    2 312 suites  ±0   3h 18m 15s ⏱️ - 2m 36s
119 030 tests +3  118 963 ✅ +3  67 💤 ±0  0 ❌ ±0 
127 591 runs  +3  127 524 ✅ +3  67 💤 ±0  0 ❌ ±0 

Results for commit 412c5a1. ± Comparison against base commit 73712b1.

This pull request removes 357 and adds 124 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: c1a0ff5d2372b53d12d12bb87dd03f5…
   Address[id=0,nickname=37EhEcyE,selfName=aaaa,weight=1000,hostnameInternal=127.0.0.1,portInternalIpv4=47742,hostnameExternal=171.142.18.169,portExternalIpv4=47742,sigPublicKey=<null>,agreePublicKey=<null>,sigCert=com.swirlds.platform.crypto.SerializableX509Certificate@22431593,agreeCert=com.swirlds.platform.crypto.SerializableX509Certificate@50a7ace8,memo=LDJjWgdV],
…

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.token.impl.test.handlers.TokenUnpauseHandlerTest ‑ testCalculateFeesInvocations()
com.hedera.node.app.service.token.impl.test.handlers.TokenUnpauseHandlerTest ‑ testPureChecksDoesNotThrowExceptionWhenHasToken()
com.hedera.node.app.service.token.impl.test.handlers.TokenUnpauseHandlerTest ‑ testPureChecksThrowsExceptionWhenDoesNotHaveToken()
com.hedera.node.app.state.merkle.StateMetadataTest ‑ [11] 

com.hedera.node.app.state.merkle.StateMetadataTest ‑ [203] Some Legal Characters 

com.hedera.node.app.state.merkle.StateMetadataTest ‑ [395] 
 Some Legal Characters
com.swirlds.platform.crypto.KeysAndCertsTest ‑ [1] AddressBook {
   Address[id=0,nickname=etNz73t9,selfName=aaaa,weight=1000,hostnameInternal=127.0.0.1,portInternalIpv4=52381,hostnameExternal=243.152.122.243,portExternalIpv4=52381,sigPublicKey=<null>,agreePublicKey=<null>,sigCert=com.swirlds.platform.crypto.SerializableX509Certificate@3300893d,agreeCert=com.swirlds.platform.crypto.SerializableX509Certificate@2b4a3383,memo=y9k0vtIH],
   Address[id=2,nickname=dek11voO,selfName=aaab,weight=1000,hostnameInternal=127.0.0.1,portInternalIpv4=9079,hostnameExternal…, {0=KeysAndCerts[sigKeyPair=java.security.KeyPair@7e566ed5, agrKeyPair=java.security.KeyPair@59b3fbf9, sigCert=[
[
  Version: V3
  Subject: CN=s-aaaa
  Signature Algorithm: SHA384withRSA, OID = 1.2.840.113549.1.1.12

  Key:  Sun RSA public key, 3072 bits
  params: null
  modulus: 399359783971008386823194517591913909076180800663617430152293322362851354916562240539217992749052543798926670565779538052222399243364172487884744393106571360720093667481704909500324706084082081682560810453972293976421988390921489916…
…

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 67.39%. Comparing base (73712b1) to head (412c5a1).

Additional details and impacted files

@@            Coverage Diff             @@
##             develop   #13364   +/-   ##
==========================================
  Coverage      67.38%   67.39%           
- Complexity     36210    36213    +3     
==========================================
  Files           3700     3700           
  Lines         148964   148964           
  Branches       15499    15499           
==========================================
+ Hits          100378   100387    +9     
+ Misses         44223    44214    -9     
  Partials        4363     4363           

☔ View full report in Codecov by Sentry.
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[github-actions]

Node: HAPI Test (Token) Results

237 tests   235 ✅  24m 48s ⏱️
 17 suites    2 💤
 17 files      0 ❌

Results for commit 412c5a1.

[github-actions]

Node: HAPI Test (Crypto) Results

335 tests   335 ✅  37m 14s ⏱️
 25 suites    0 💤
 25 files      0 ❌

Results for commit 412c5a1.

[github-actions]

Node: HAPI Test (Misc) Results

468 tests   458 ✅  46m 8s ⏱️
 77 suites   10 💤
 77 files      0 ❌

Results for commit 412c5a1.

[github-actions]

Node: HAPI Test (Time Consuming) Results

21 tests   21 ✅  54m 23s ⏱️
 3 suites   0 💤
 3 files     0 ❌

Results for commit 412c5a1.

[github-actions]

Node: HAPI Test (Smart Contract) Results

604 tests   604 ✅  1h 9m 16s ⏱️
 63 suites    0 💤
 63 files      0 ❌

Results for commit 412c5a1.

[povolev15]

LGTM TY @derektriley