[hotfix][tests] Fix unstable `OceanBaseMySQLModelITCase` #53

Job	Run time
License Check	3m 56s
Migration Tests / data_stream_migration_test (8, 1.19.1)	19m 29s
Migration Tests / migration_test_ut (8, 1.19.1)	4m 57s
Migration Tests / data_stream_migration_test (8, 1.20.0)	11m 45s
Migration Tests / migration_test_ut (8, 1.20.0)	5m 2s
Migration Tests / pipeline_migration_test (8, 1.19.1)	7m 55s
Migration Tests / pipeline_migration_test (8, 1.20.0)	6m 40s
Source E2E Tests / compile_and_test (8, 1.19.1)	26m 10s
Source E2E Tests / compile_and_test (8, 1.20.0)	25m 19s
Pipeline E2E Tests (1-Parallelism) / compile_and_test (8, 1.19.1)	30m 35s
Pipeline E2E Tests (4-Parallelism) / compile_and_test (8, 1.19.1)	30m 8s
Pipeline E2E Tests (1-Parallelism) / compile_and_test (8, 1.20.0)	29m 46s
Pipeline E2E Tests (4-Parallelism) / compile_and_test (8, 1.20.0)	30m 10s
Unit Tests (core) / compile_and_test (8, generic)	29m 33s
Unit Tests (db2) / compile_and_test (8, generic)	20m 24s
Unit Tests (mongodb6) / compile_and_test (8, generic)	35m 10s
Unit Tests (mongodb7) / compile_and_test (8, generic)	33m 8s
Unit Tests (mysql) / compile_and_test (8, generic)	39m 0s
Unit Tests (oceanbase) / compile_and_test (8, generic)	6m 53s
Unit Tests (pipeline_connectors) / compile_and_test (8, generic)	17m 41s
Unit Tests (oracle) / compile_and_test (8, generic)	29m 33s
Unit Tests (postgres) / compile_and_test (8, generic)	25m 33s
Unit Tests (sqlserver) / compile_and_test (8, generic)	13m 10s
Unit Tests (tidb) / compile_and_test (8, generic)	3m 32s
Unit Tests (vitess) / compile_and_test (8, generic)	3m 28s
	8h 8m 57s

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