fix: Address issue with newline characters when running Logging Hook Unit Tests on linux (#374)

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## This PR
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I noticed when I ran the LoggingHook unit tests on a WSL Ubuntu instance
the some tests fails due to new line characters. It appears I never
normalized or excluded newline characters when asserting equal


![image](https://github.com/user-attachments/assets/91bceb1b-41be-4f5c-b330-874ef614c163)

I also removed the `Assert.Contains` snippets as the content and layout
of the log message is asserted in the other tests. This Assert method
does not have an overload for ignoring new line characters

I assume the GitHub CI runner may be ignore the line endings by default?

### Related Issues
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### Notes
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### Follow-up Tasks
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### How to test
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Signed-off-by: Kyle Julian <[email protected]>

Author: kylejuliandev

test/OpenFeature.Tests/Hooks/LoggingHookTests.cs

@@ -44,7 +44,9 @@ public async Task BeforeAsync_Without_EvaluationContext_Generates_Debug_Log()
                 DefaultValue:False
 
                 """,
-                record.Message);
+                record.Message,
+                ignoreLineEndingDifferences: true
+            );
         }
 
         [Fact]
@@ -74,7 +76,9 @@ public async Task BeforeAsync_Without_EvaluationContext_Generates_Correct_Log_Me
                 DefaultValue:False
 
                 """,
-                record.Message);
+                record.Message,
+                ignoreLineEndingDifferences: true
+            );
         }
 
         [Fact]
@@ -107,15 +111,6 @@ public async Task BeforeAsync_With_EvaluationContext_Generates_Correct_Log_Messa
             var record = logger.LatestRecord;
             Assert.Equal(LogLevel.Debug, record.Level);
 
-            Assert.Contains(
-                """
-                Before Flag Evaluation Domain:client
-                ProviderName:provider
-                FlagKey:test
-                DefaultValue:False
-                Context:
-                """,
-                record.Message);
             Assert.Multiple(
                 () => Assert.Contains("key_1:value", record.Message),
                 () => Assert.Contains("key_2:False", record.Message),
@@ -157,7 +152,9 @@ public async Task BeforeAsync_With_No_EvaluationContext_Generates_Correct_Log_Me
                 Context:
 
                 """,
-                record.Message);
+                record.Message,
+                ignoreLineEndingDifferences: true
+            );
         }
 
         [Fact]
@@ -215,7 +212,9 @@ public async Task ErrorAsync_Without_EvaluationContext_Generates_Correct_Log_Mes
                 DefaultValue:False
 
                 """,
-                record.Message);
+                record.Message,
+                ignoreLineEndingDifferences: true
+            );
         }
 
         [Fact]
@@ -250,15 +249,6 @@ public async Task ErrorAsync_With_EvaluationContext_Generates_Correct_Log_Messag
             var record = logger.LatestRecord;
             Assert.Equal(LogLevel.Error, record.Level);
 
-            Assert.Contains(
-                """
-                Error during Flag Evaluation Domain:client
-                ProviderName:provider
-                FlagKey:test
-                DefaultValue:False
-                Context:
-                """,
-                record.Message);
             Assert.Multiple(
                 () => Assert.Contains("key_1: ", record.Message),
                 () => Assert.Contains("key_2:True", record.Message),
@@ -301,7 +291,9 @@ public async Task ErrorAsync_With_No_EvaluationContext_Generates_Correct_Log_Mes
                 Context:
 
                 """,
-                record.Message);
+                record.Message,
+                ignoreLineEndingDifferences: true
+            );
         }
 
         [Fact]
@@ -358,7 +350,9 @@ public async Task AfterAsync_Without_EvaluationContext_Generates_Correct_Log_Mes
                 DefaultValue:False
 
                 """,
-                record.Message);
+                record.Message,
+                ignoreLineEndingDifferences: true
+            );
         }
 
         [Fact]
@@ -393,16 +387,6 @@ public async Task AfterAsync_With_EvaluationContext_Generates_Correct_Log_Messag
             var record = logger.LatestRecord;
             Assert.Equal(LogLevel.Debug, record.Level);
 
-            Assert.Contains(
-                """
-                After Flag Evaluation Domain:client
-                ProviderName:provider
-                FlagKey:test
-                DefaultValue:False
-                Context:
-                """,
-                record.Message);
-
             // .NET Framework uses G15 formatter on double.ToString
             // .NET uses G17 formatter on double.ToString
 #if NET462
@@ -452,7 +436,9 @@ public async Task AfterAsync_With_No_EvaluationContext_Generates_Correct_Log_Mes
                 Context:
 
                 """,
-                record.Message);
+                record.Message,
+                ignoreLineEndingDifferences: true
+            );
         }
 
         [Fact]
@@ -499,8 +485,9 @@ public async Task With_Structure_Type_In_Context_Returns_Qualified_Name_Of_Value
                     key_1:OpenFeature.Model.Value
 
                 """,
-                    message
-                );
+                message,
+                ignoreLineEndingDifferences: true
+            );
         }
 
         [Fact]
@@ -539,8 +526,9 @@ public async Task Without_Domain_Returns_Missing()
                     key_1:True
 
                 """,
-                    message
-                );
+                message,
+                ignoreLineEndingDifferences: true
+            );
         }
 
         [Fact]
@@ -579,8 +567,9 @@ public async Task Without_Provider_Returns_Missing()
                     key_1:True
 
                 """,
-                    message
-                );
+                message,
+                ignoreLineEndingDifferences: true
+            );
         }
 
         [Fact]
@@ -619,8 +608,9 @@ public async Task Without_DefaultValue_Returns_Missing()
                     key_1:True
 
                 """,
-                    message
-                );
+                message,
+                ignoreLineEndingDifferences: true
+            );
         }
 
         [Fact]
@@ -659,8 +649,9 @@ public async Task Without_EvaluationContextValue_Returns_Nothing()
                     key_1:
 
                 """,
-                    message
-                );
+                message,
+                ignoreLineEndingDifferences: true
+            );
         }
 
         private static string NormalizeLogRecord(FakeLogRecord record)