Use ct_check_testcase_result instead of check_result

Fix: #456

Author: lukaszachy

test/run-minimal

@@ -121,12 +121,12 @@ TEST_SET=${TESTS:-$TEST_LIST_HW} ct_run_tests_from_testset "hw"
 
 echo "Testing the development image build: s2i build -e \"NODE_ENV=development\")"
 run_s2i_build "-e NODE_ENV=development"
-check_result $?
+ct_check_testcase_result $?
 
 TEST_SET=${TESTS:-$TEST_LIST_NODE_ENV} ct_run_tests_from_testset "node_env_development"
 
 echo "Testing the development image build: s2i build -e \"DEV_MODE=true\")"
 run_s2i_build "-e DEV_MODE=true"
-check_result $?
+ct_check_testcase_result $?
 
 TEST_SET=${TESTS:-$TEST_LIST_DEV_MODE} ct_run_tests_from_testset "dev_mode"