Fix unit test TestReconcile #30214

Job	Run time
Check whether tests need to be run based on diff	21s
Verify docs and spelling	27s
Go benchmark test	4m 31s
Build Antrea and antctl binaries	9m 30s
Golangci-lint (macos-latest)	10m 46s
Golangci-lint (ubuntu-latest)	7m 42s
Integration test	10m 19s
Unit test (ubuntu-latest)	6m 24s
Unit test (windows-2022)	12m 1s
Check tidy, code generation and manifest	5m 28s
Build Antrea Windows binaries	1m 48s
	1h 9m 17s

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