Minor change

Author: seanlaw

test.sh

@@ -25,6 +25,8 @@ do
         test_mode="custom"
     elif [[ $var == "report" ]]; then
         test_mode="report"
+    elif [[ $var == "combine" ]]; then
+        test_mode="combine"
     elif [[ $var == "silent" || $var == "print" ]]; then
         print_mode="silent"
     elif [[ "$var" == *"test_"*".py"* ]]; then
@@ -180,6 +182,11 @@ gen_coverage_json_report()
     coverage json -o $fcoveragejson --fail-under=100 --omit=fastmath.py,docstring.py,min_versions.py,ray_python_version.py $fcoveragerc
 }
 
+combine_coverage_data_files()
+{
+    coverage combine
+}
+
 test_custom()
 {
     # export NUMBA_DISABLE_JIT=1
@@ -385,6 +392,11 @@ elif [[ $test_mode == "report" ]]; then
     # Assume coverage tests have already been executed
     # and a coverage file exists
     gen_coverage_json_report
+elif [[ $test_mode == "combine" ]]; then
+    echo "Combine All Coverage Data Files"
+    # Assume coverage tests have already been executed
+    # and a coverage file exists
+    combine_coverage_data_files
 elif [[ $test_mode == "gpu" ]]; then
     echo "Executing GPU Unit Tests Only"
     test_gpu