Update unit tests for merged table references

Author: WillemJann

src/XLParser.Tests/FormulaAnalysisTest.cs

@@ -410,17 +410,11 @@ public void StructuredTableReferenceMultipleRows()
         {
             List<ParserReference> references = new FormulaAnalyzer("=SUM([@Jan]:[@Feb])").ParserReferences().ToList();
 
-            Assert.AreEqual(2, references.Count);
-
-            Assert.AreEqual(ReferenceType.Table, references[0].ReferenceType);
-            Assert.AreEqual(null, references[0].Name);
-            CollectionAssert.AreEqual(new[] {"@"}, references[0].TableSpecifiers);
-            CollectionAssert.AreEqual(new[] {"Jan"}, references[0].TableColumns);
-
-            Assert.AreEqual(ReferenceType.Table, references[1].ReferenceType);
-            Assert.AreEqual(null, references[1].Name);
-            CollectionAssert.AreEqual(new[] {"@"}, references[1].TableSpecifiers);
-            CollectionAssert.AreEqual(new[] {"Feb"}, references[1].TableColumns);
+            Assert.AreEqual(1, references.Count);
+            Assert.AreEqual(ReferenceType.Table, references.First().ReferenceType);
+            Assert.AreEqual(null, references.First().Name);
+            CollectionAssert.AreEqual(new[] {"@"}, references.First().TableSpecifiers);
+            CollectionAssert.AreEqual(new[] {"Jan", "Feb"}, references.First().TableColumns);
         }
 
         [TestMethod]
@@ -449,17 +443,12 @@ public void StructuredTableReferenceMultipleHeaders()
         {
             List<ParserReference> references = new FormulaAnalyzer("=COUNTA(Sales_5[[#Headers],[Jan]]:Sales_5[[#Headers],[Mar]])").ParserReferences().ToList();
 
-            Assert.AreEqual(2, references.Count);
+            Assert.AreEqual(1, references.Count);
 
             Assert.AreEqual(ReferenceType.Table, references[0].ReferenceType);
             Assert.AreEqual("Sales_5", references[0].Name);
             CollectionAssert.AreEqual(new[] {"#Headers"}, references[0].TableSpecifiers);
-            CollectionAssert.AreEqual(new[] {"Jan"}, references[0].TableColumns);
-
-            Assert.AreEqual(ReferenceType.Table, references[1].ReferenceType);
-            Assert.AreEqual("Sales_5", references[1].Name);
-            CollectionAssert.AreEqual(new[] {"#Headers"}, references[1].TableSpecifiers);
-            CollectionAssert.AreEqual(new[] {"Mar"}, references[1].TableColumns);
+            CollectionAssert.AreEqual(new[] {"Jan", "Mar"}, references[0].TableColumns);
         }
 
         [TestMethod]