[Feature] - Aggregate and display failures at the bottom of output

pkg/test/harness.go

@@ -612,6 +612,7 @@ func (h *Harness) Stop() {
 
 		h.kind = nil
 	}
+	h.DisplayFailedTest()
 }
 
 // wraps Test.Fatal in order to clean up harness
@@ -642,6 +643,30 @@ func (h *Harness) Report() {
 	}
 }
 
+func (h *Harness) DisplayFailedTest() {
+	h.logTotalFailures()
+	h.logEachTestSuiteFailures()
+}
+
+func (h *Harness) logTotalFailures() {
+	h.logger.Logf("Total test failures: %d", h.report.Failures)
+}
+
+func (h *Harness) logEachTestSuiteFailures() {
+	for _, suite := range h.report.Testsuite {
+		h.logger.Logf("Test suite %s: %d failures", suite.Name, suite.Failures)
+		h.logTestCaseFailures(suite)
+	}
+}
+
+func (h *Harness) logTestCaseFailures(suite *report.Testsuite) {
+	for _, testCase := range suite.Testcase {
+		if testCase.Failure != nil {
+			h.logger.Logf("test %s failed: %s", testCase.Name, testCase.Failure.Message)
+		}
+	}
+}
+
 // reportName returns the configured ReportName.
 func (h *Harness) reportName() string {
 	if h.TestSuite.ReportName != "" {