Disable inconsistent DST/Ansi/Gregorian timestamp conversion tests #29

Job	Run time
Linux (JDK 11), Newest Guava	4m 29s
Linux (JDK 11), Middle-Aged Guava	4m 13s
Linux (JDK 11), Calcite Minimum Guava, America/New_York Timezone	4m 9s
Linux (JDK 19)	3m 57s
Linux (JDK 17)	4m 25s
Linux (JDK 11), Oldest Guava, Pacific/Chatham Timezone	4m 27s
Linux (JDK 8)	4m 12s
Linux (JDK 8), Avatica main	9m 50s
macOS (JDK 19)	9m 47s
Windows (JDK 11)	5m 32s
	55m 1s

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