diff --git a/scripts/ci/combine_coverage_reports.sh b/scripts/ci/combine_coverage_reports.sh
index 8c214585..50228ae7 100644
--- a/scripts/ci/combine_coverage_reports.sh
+++ b/scripts/ci/combine_coverage_reports.sh
@@ -6,14 +6,11 @@ test_type=$1
 
 coveragedatafile=".coverage.$test_type"
 
-if [ "$test_type" == "unit-test" ] || [ "$test_type" == "integration-test" ] || [ "$test_type" == "system-test" ];
-then
-  coverage combine --data-file="$coveragedatafile" .coverage."$test_type".*
-elif [ "$test_type" == "all-test" ];
+if [ "$test_type" == "all-test" ];
 then
   coverage combine --data-file="$coveragedatafile" .coverage.*
 else
-  echo "❌ It doesn't support $test_type currently. Please change to use options 'unit-test', 'integration-test', 'system-test' or 'all-test'." && exit 1
+  coverage combine --data-file="$coveragedatafile" .coverage."$test_type".*
 fi
 
 coverage report -m --data-file="$coveragedatafile"