Print name of the tests which fail

Before there was no way to know which particular tests have failed
without going through all logs. Now, it will print which tests
have failed.

Author: khrm

test/e2e-tests.sh

@@ -37,23 +37,19 @@ install_pipeline_crd
 install_triggers_crd
 
 header "Running yaml tests"
-$(dirname $0)/e2e-tests-yaml.sh || failed=1
-(( failed )) && echo "failed yaml tests"
+$(dirname $0)/e2e-tests-yaml.sh || { failed=1 && echo "failed yaml tests"; }
 
 header "Running ingress tests"
-$(dirname $0)/e2e-tests-ingress.sh || failed=1
-(( failed )) && echo "failed ingress tests"
+$(dirname $0)/e2e-tests-ingress.sh || { failed=1 && echo "failed ingress tests"; }
 
 # Run the integration tests
 header "Running Go e2e tests"
-go_test_e2e -timeout=20m ./test || failed=1
-go_test_e2e -timeout=20m ./cmd/... || failed=1
-(( failed )) && echo "failed integration tests"
+go_test_e2e -timeout=20m ./test || { failed=1 && echo "failed integration tests"; }
+go_test_e2e -timeout=20m ./cmd/... || { failed=1 && echo "failed integration tests"; }
 
 
 header "Running examples tests"
-$(dirname $0)/e2e-tests-examples.sh || failed=1
-(( failed )) && echo "failed example tests"
+$(dirname $0)/e2e-tests-examples.sh || { failed=1 && echo "failed example tests"; }
 
 (( failed )) && fail_test
 success