Refactor tests to use Assert.HasCount for collection size

Replaced Assert.AreEqual checks on collection Count with Assert.HasCount in PxUtilsProxyParserTests.cs. This improves test readability and better expresses intent without altering test logic or data.

Author: likp

PxWeb.UnitTests/PxFile/PxUtilsProxyParserTests.cs

@@ -1,6 +1,7 @@
 using System;
-using System.Text;
 using System.Collections.Specialized;
+using System.Text;
+
 using PxWeb.PxFile;
 using PxWeb.UnitTests.Fixtures;
 
@@ -49,7 +50,7 @@ public void ParseMeta_ParsesLanguageEntry_WithAllLanguages()
 
             Assert.AreEqual(1, parser.HandlerCalls.Count(call => call.Keyword == "LANGUAGE"));
             Assert.AreEqual(1, parser.HandlerCalls.Count(call => call.Keyword == "LANGUAGES"));
-            Assert.AreEqual(3, parser.HandlerCalls.First(call => call.Keyword == "LANGUAGES").Values.Count);
+            Assert.HasCount(3, parser.HandlerCalls.First(call => call.Keyword == "LANGUAGES").Values);
         }
 
         [TestMethod]
@@ -69,10 +70,10 @@ public void ParseMeta_StubAndHeading_ReadsCorrectly()
             parser.ParseMeta(parser.TestMetaHandler, preferredLanguage: "en");
 
             Assert.AreEqual(3, parser.HandlerCalls.Count(call => call.Keyword == "STUB"));
-            Assert.AreEqual(1, parser.HandlerCalls.First(call => call.Keyword == "STUB").Values.Count);
+            Assert.HasCount(1, parser.HandlerCalls.First(call => call.Keyword == "STUB").Values);
             Assert.AreEqual("Year", parser.HandlerCalls.First(call => call.Keyword == "STUB" && call.Language == "en").Values[0]);
             Assert.AreEqual(3, parser.HandlerCalls.Count(call => call.Keyword == "HEADING"));
-            Assert.AreEqual(1, parser.HandlerCalls.First(call => call.Keyword == "HEADING").Values.Count);
+            Assert.HasCount(1, parser.HandlerCalls.First(call => call.Keyword == "HEADING").Values);
             Assert.AreEqual("Information", parser.HandlerCalls.First(call => call.Keyword == "HEADING" && call.Language == "en").Values[0]);
         }
 
@@ -89,7 +90,7 @@ public void ParseMeta_YearValues_ParsedCorrectly()
             Assert.HasCount(1, yearValuesCalls);
 
             var values = yearValuesCalls[0].Values;
-            Assert.AreEqual(54, values.Count);
+            Assert.HasCount(54, values);
             Assert.AreEqual("1970", values[0]);
             Assert.AreEqual("2023*", values[^1]);
         }