Tests

Small fix for Llava15ChatHandler class #20

Job	Run time
build-macos-metal	3m 52s
build-and-test (ubuntu-latest, 3.10)	2m 49s
build-and-test (ubuntu-latest, 3.9)	2m 43s
build-and-test (ubuntu-latest, 3.11)	2m 45s
build-and-test (windows-latest, 3.9)	6m 11s
build-and-test (ubuntu-latest, 3.12)	2m 53s
build-and-test (ubuntu-latest, 3.13)	2m 49s
build-and-test (windows-latest, 3.10)	6m 54s
build-and-test (macos-14, 3.10)	2m 35s
build-and-test (windows-latest, 3.11)	6m 22s
build-and-test (macos-14, 3.9)	2m 28s
build-and-test (macos-14, 3.12)	2m 59s
build-and-test (macos-14, 3.11)	3m 15s
build-and-test (windows-latest, 3.12)	6m 27s
build-and-test (windows-latest, 3.13)	6m 47s
build-and-test (macos-14, 3.13)	2m 55s
	1h 4m 44s

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