Increase verify timeout to 2s in RedisEntityListenerTest

[xin-hedera]

Detailed description:
Increase the timeout for CI environment.

Which issue(s) this PR fixes:
Fixes #1651

Special notes for your reviewer:
It keeps failing in my automated release PR, so it's time to take care of it...

Checklist

• Documentation added
• Tests updated

[codecov]

Codecov Report

Merging #2128 (174ef54) into master (126751e) will decrease coverage by 6.27%.
The diff coverage is 93.23%.

❗ Current head 174ef54 differs from pull request most recent head d46cc3b. Consider uploading reports for the commit d46cc3b to get more accurate results

@@             Coverage Diff              @@
##             master    #2128      +/-   ##
============================================
- Coverage     87.05%   80.77%   -6.28%     
- Complexity     1744     2065     +321     
============================================
  Files           315      406      +91     
  Lines          7731    10801    +3070     
  Branches        740      892     +152     
============================================
+ Hits           6730     8725    +1995     
- Misses          772     1773    +1001     
- Partials        229      303      +74     

Impacted Files	Coverage Δ
...ensus/ConsensusCreateTopicTransactionSupplier.java	0.00% <ø> (ø)
...sus/ConsensusSubmitMessageTransactionSupplier.java	0.00% <0.00%> (ø)
...ensus/ConsensusUpdateTopicTransactionSupplier.java	0.00% <ø> (ø)
...er/schedule/ScheduleCreateTransactionSupplier.java	0.00% <ø> (ø)
...supplier/token/TokenCreateTransactionSupplier.java	0.00% <ø> (ø)
...supplier/token/TokenUpdateTransactionSupplier.java	0.00% <ø> (ø)
...era/mirror/importer/config/CacheConfiguration.java	100.00% <ø> (ø)
.../hedera/mirror/importer/domain/AccountBalance.java	84.61% <ø> (ø)
...era/mirror/importer/domain/AccountBalanceFile.java	94.73% <ø> (ø)
...va/com/hedera/mirror/importer/domain/EntityId.java	95.65% <ø> (ø)
... and 268 more

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[sonarcloud]

SonarCloud Quality Gate failed.

0 Bugs
0 Vulnerabilities
0 Security Hotspots
25 Code Smells

0.0% Coverage
5.4% Duplication