#174: failing test

app/src/test/java/org/seamcat/tabulardataio/TestInterferenceLinkExporter.java

 package org.seamcat.tabulardataio;
 
+import static org.junit.Assert.assertEquals;
+
 import java.io.IOException;
 import java.io.InputStream;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
+import org.apache.poi.ss.usermodel.Sheet;
 import org.apache.poi.ss.usermodel.Workbook;
 import org.apache.poi.xssf.usermodel.XSSFWorkbook;
 import org.junit.Test;
 import org.seamcat.model.InterferenceLinkElement;
 import org.seamcat.model.correlation.Correlated;
-import org.seamcat.model.correlation.NoneMode;
 import org.seamcat.model.distributions.ConstantDistributionImpl;
 import org.seamcat.model.distributions.Distribution;
 import org.seamcat.model.plugin.system.CorrelationMode;
@@ -108,5 +110,10 @@ public class TestInterferenceLinkExporter {
         InputStream ip = exporter.export();
 
         Workbook workbook = new XSSFWorkbook(ip);
+        Sheet firstSheet = workbook.getSheetAt(0);
+
+        // Get the number of rows in the sheet
+        int rowCount = firstSheet.getPhysicalNumberOfRows();
+        assertEquals(1, rowCount);
     }
 }