chore: Fix NPE when running CometTPCHQueriesList directly #639

Job	Run time
ubuntu-latest/java 8-spark-3.4/rust	5m 40s
ubuntu-latest/java 8-spark-3.2/java	46m 17s
ubuntu-latest/java 8-spark-3.4/java	47m 15s
macos-14(Silicon)/java 8-spark-3.4/rust	4m 23s
ubuntu-latest/java 8-spark-3.3/java	48m 13s
ubuntu-latest/java 17-spark-3.4/rust	5m 51s
macos-14(Silicon)/java 8-spark-3.4/java	39m 7s
ubuntu-latest/java 11-spark-3.3/java	48m 4s
ubuntu-latest/java 17-spark-3.4/java	44m 4s
macos-14(Silicon)/java 17-spark-3.4/rust	4m 20s
ubuntu-latest/java 17-spark-3.3/java	42m 31s
macos-14(Silicon)/java 17-spark-3.4/java	30m 37s
macos-14(Silicon)/java 8-spark-3.2/java	30m 26s
${{ matrix.os }}/java ${{ matrix.java_version }}-spark-${{ matrix.spark-version }}/${{ matrix.test-target }}	0s
macos-14(Silicon)/java 17-spark-3.3/java	33m 18s
	7h 10m 6s

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