ENGCOM-2405: Stabilize Travis CI integration tests suite #16909

 - Merge Pull Request #16909 from ishakhsuvarov/magento2:stabilize-travis-integration-tests
 - Merged commits:
   1. bcc9320

Author: magento-engcom-team

dev/travis/before_script.sh

@@ -13,8 +13,8 @@ case $TEST_SUITE in
 
         test_set_list=$(find testsuite/* -maxdepth 1 -mindepth 1 -type d | sort)
         test_set_count=$(printf "$test_set_list" | wc -l)
-        test_set_size[1]=$(printf "%.0f" $(echo "$test_set_count*0.12" | bc))  #12%
-        test_set_size[2]=$(printf "%.0f" $(echo "$test_set_count*0.32" | bc))  #32%
+        test_set_size[1]=$(printf "%.0f" $(echo "$test_set_count*0.17" | bc))  #17%
+        test_set_size[2]=$(printf "%.0f" $(echo "$test_set_count*0.27" | bc))  #27%
         test_set_size[3]=$((test_set_count-test_set_size[1]-test_set_size[2])) #56%
         echo "Total = ${test_set_count}; Batch #1 = ${test_set_size[1]}; Batch #2 = ${test_set_size[2]}; Batch #3 = ${test_set_size[3]};";