build,test: fail coverage target if tests fail

PR-URL: #25432
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>

Makefile

@@ -227,7 +227,7 @@ coverage-test: coverage-build
 	$(RM) out/$(BUILDTYPE)/obj.target/node_lib/gen/*.gcda
 	$(RM) out/$(BUILDTYPE)/obj.target/node_lib/src/*.gcda
 	$(RM) out/$(BUILDTYPE)/obj.target/node_lib/src/tracing/*.gcda
-	-$(MAKE) $(COVTESTS)
+	$(MAKE) $(COVTESTS)
 	mv lib lib__
 	mv lib_ lib
 	mkdir -p coverage .cov_tmp