[CALCITE-6693] Add Source SQL Dialect to RelToSqlConverterTest #14103

Job	Run time
Windows (JDK 17)	14m 36s
Windows (JDK 8)	15m 44s
Linux (JDK 21)	10m 20s
Linux (JDK 11, Pacific/Chatham Timezone)	10m 58s
Linux (JDK 8, latest Guava, America/New_York Timezone)	11m 54s
Linux (JDK 8, oldest Guava, America/New_York Timezone)	10m 43s
Windows (JDK 21)	15m 47s
Linux (JDK 23)	12m 22s
Linux (JDK 11, Avatica main)	14m 27s
macOS (JDK 21)	42m 27s
ErrorProne (JDK 11, latest Guava)	4m 18s
CheckerFramework (JDK 11)	10m 57s
Linux (JDK 17)	11m 11s
CheckerFramework (JDK 11, oldest Guava)	10m 45s
Druid Tests	6m 56s
Linux (JDK 8) Slow Tests	0s
	3h 23m 25s

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