fix coverage: swap save and combine

src/chacha_cicd_helper/unit_test.py

@@ -64,8 +64,8 @@ class cl_unit_test(cl_helper_withresults_base):
         print("Test Finished")
         if cls.enable_coverage_check is True:
             cov.stop()
-            cov.save()
             cov.combine()
+            cov.save()
             cov.html_report(directory=str(CoverageReportPath))
             cov.xml_report(outfile=str(CoverageReportPath / f"{cls.CoverageReportName}.xml"))