Fix call to download_coverage_artifacts, 'suites' is a list

Author: marco-c

report/tests/test.py

@@ -59,7 +59,7 @@ def test(self):
         os.remove("ccov-artifacts/%s_target-tasks.json" % task_id)
 
         artifact_paths = codecoverage.download_coverage_artifacts(
-            task_id, "gtest-1proc", None, "ccov-artifacts"
+            task_id, ["gtest-1proc"], None, "ccov-artifacts"
         )
         self.assertEqual(
             len([a for a in os.listdir("ccov-artifacts") if "grcov" in a]), 2
@@ -71,7 +71,7 @@ def test(self):
         self.assertEqual(len([a for a in artifact_paths if "jsvm" in a]), 2)
 
         artifact_paths = codecoverage.download_coverage_artifacts(
-            task_id, "cppunit-1proc", None, "ccov-artifacts"
+            task_id, ["cppunit-1proc"], None, "ccov-artifacts"
         )
         self.assertEqual(
             len([a for a in os.listdir("ccov-artifacts") if "grcov" in a]), 4