Add multimodel exps

Author: Jerin Philip

exps/test_multiple-models-intensive.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+
+ARGS=(--model-config-paths "$BRT_TEST_PACKAGE_EN_ES/config.intgemm8bitalpha.yml.bergamot.yml" "$BRT_TEST_PACKAGE_EN_DE/config.intgemm8bitalpha.yml.bergamot.yml" --cpu-threads 2)
+
+$BRT_MARIAN/tests/async --bergamot-mode test-multimodels-intensive ${ARGS[@]} < $BRT_DATA/wngt20/sources.shuf.1k