test: fix 'SLF4J(W): No SLF4J providers were found.' warning (#1772) #2643

Job	Run time
Java_21 (chromium)	4m 38s
stable (ubuntu-latest, chrome)	5m 4s
dev (ubuntu-latest, chromium)	4m 31s
Java_21 (firefox)	9m 32s
stable (windows-latest, chrome)	10m 56s
dev (ubuntu-latest, firefox)	9m 36s
Java_21 (webkit)	7m 5s
stable (macos-latest, chrome)	18m 15s
dev (ubuntu-latest, webkit)	7m 15s
stable (windows-latest, msedge)	22m 15s
dev (windows-latest, chromium)	9m 9s
stable (macos-latest, msedge)	27m 55s
dev (windows-latest, firefox)	15m 33s
dev (windows-latest, webkit)	9m 42s
dev (macos-latest, chromium)	6m 36s
dev (macos-latest, firefox)	13m 58s
dev (macos-latest, webkit)	30m 16s
	3h 32m 16s

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