Fix unit tests.

Author: GillesTourreau

tests/Database.Updater.Tests/DatabaseUpdaterTest.cs

@@ -76,7 +76,7 @@ public async Task UpgradeAsync_WithErrorMigrationsAssembly()
 
             result.Should().Be(99);
 
-            loggingProvider.Output.Should().Be("[PosInformatique.Database.Updater.IDatabaseUpdater] (Error) : Some errors occured during the migration...\r\n");
+            loggingProvider.Output.Should().Be($"[PosInformatique.Database.Updater.IDatabaseUpdater] (Error) : Some errors occured during the migration...{Environment.NewLine}");
 
             output.ToString().Should().StartWith("fail: PosInformatique.Database.Updater.IDatabaseUpdater[0]");
         }
@@ -117,7 +117,7 @@ await databaseUpdater.Invoking(du => du.UpgradeAsync([database.ConnectionString]
                 .Should().ThrowExactlyAsync<DivideByZeroException>()
                 .WithMessage("Some errors occured during the migration...");
 
-            loggingProvider.Output.Should().Be("[PosInformatique.Database.Updater.IDatabaseUpdater] (Error) : Some errors occured during the migration...\r\n");
+            loggingProvider.Output.Should().Be($"[PosInformatique.Database.Updater.IDatabaseUpdater] (Error) : Some errors occured during the migration...{Environment.NewLine}");
 
             output.ToString().Should().StartWith("fail: PosInformatique.Database.Updater.IDatabaseUpdater[0]");
         }

tests/Database.Updater.Tests/Logging/InMemoryLoggingProviderTest.cs

@@ -19,11 +19,11 @@ public void CreateLogger_Log()
 
             logger1.LogInformation("The information");
 
-            provider.Output.Should().Be("[The category 1] (Information) : The information\r\n");
+            provider.Output.Should().Be($"[The category 1] (Information) : The information{Environment.NewLine}");
 
             logger2.LogError("The error");
 
-            provider.Output.Should().Be("[The category 1] (Information) : The information\r\n[The category 2] (Error) : The error\r\n");
+            provider.Output.Should().Be($"[The category 1] (Information) : The information{Environment.NewLine}[The category 2] (Error) : The error{Environment.NewLine}");
         }
 
         [Fact]