explicitly test TCPConnectAnalyze unconditional fallthrough behavior (#1226)

pkg/analyze/host_tcp_connect_test.go

@@ -86,6 +86,40 @@ func TestAnalyzeTCPConnect(t *testing.T) {
 				},
 			},
 		},
+		{
+			name: "unknown status",
+			info: &collect.NetworkStatusResult{
+				Status: "test value",
+			},
+			hostAnalyzer: &troubleshootv1beta2.TCPConnectAnalyze{
+				Outcomes: []*troubleshootv1beta2.Outcome{
+					{
+						Fail: &troubleshootv1beta2.SingleOutcome{
+							When:    "connection-refused",
+							Message: "Connection was refused",
+						},
+					},
+					{
+						Pass: &troubleshootv1beta2.SingleOutcome{
+							When:    "connected",
+							Message: "Connection was successful",
+						},
+					},
+					{
+						Warn: &troubleshootv1beta2.SingleOutcome{
+							Message: "Unexpected TCP connection status",
+						},
+					},
+				},
+			},
+			result: []*AnalyzeResult{
+				{
+					Title:   "TCP Connection Attempt",
+					IsWarn:  true,
+					Message: "Unexpected TCP connection status",
+				},
+			},
+		},
 	}
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {