Unskip NRT suppression tests

eng/Versions.props

@@ -26,6 +26,6 @@
     <MicrosoftExtensionsLoggingVersion>7.0.0-preview.6.22319.5</MicrosoftExtensionsLoggingVersion>
   </PropertyGroup>
   <PropertyGroup Label="Other dependencies">
-    <MicrosoftCodeAnalysisVersion>4.1.0</MicrosoftCodeAnalysisVersion>
+    <MicrosoftCodeAnalysisVersion>4.2.0</MicrosoftCodeAnalysisVersion>
   </PropertyGroup>
 </Project>

src/EFCore.Analyzers/UninitializedDbSetDiagnosticSuppressor.cs

@@ -12,7 +12,7 @@ namespace Microsoft.EntityFrameworkCore;
 public sealed class UninitializedDbSetDiagnosticSuppressor : DiagnosticSuppressor
 {
     private static readonly SuppressionDescriptor SuppressUninitializedDbSetRule = new(
-        id: "SPR1001",
+        id: "EFSPR1001",
         suppressedDiagnosticId: "CS8618",
         justification: AnalyzerStrings.UninitializedDbSetWarningSuppressionJustification);
 
@@ -70,7 +70,7 @@ public override void ReportSuppressions(SuppressionAnalysisContext context)
             if (propertySymbol.Type.OriginalDefinition.Equals(dbSetTypeSymbol, SymbolEqualityComparer.Default)
                 && InheritsFrom(propertySymbol.ContainingType, dbContextTypeSymbol))
             {
-                context.ReportSuppression(Suppression.Create(SupportedSuppressions[0], diagnostic));
+                context.ReportSuppression(Suppression.Create(SuppressUninitializedDbSetRule, diagnostic));
             }
 
             static bool InheritsFrom(ITypeSymbol typeSymbol, ITypeSymbol baseTypeSymbol)

test/EFCore.Analyzers.Tests/TestUtilities/DiagnosticAnalyzerTestBase.cs

@@ -7,6 +7,7 @@
 using Microsoft.CodeAnalysis.Diagnostics;
 using Microsoft.CodeAnalysis.Text;
 using Microsoft.Extensions.DependencyModel;
+using CompilationOptions = Microsoft.CodeAnalysis.CompilationOptions;
 
 namespace Microsoft.EntityFrameworkCore.TestUtilities;
 
@@ -59,11 +60,13 @@ protected async Task<Diagnostic[]> GetDiagnosticsFullSourceAsync(string source,
         var analyzer = CreateDiagnosticAnalyzer();
         var compilationWithAnalyzers
             = compilation
-                .WithOptions(
-                    compilation.Options.WithSpecificDiagnosticOptions(
-                        compilation.Options.SpecificDiagnosticOptions
-                            .AddRange(analyzer.SupportedDiagnostics.ToDictionary(d => d.Id, d => ReportDiagnostic.Default))))
-                .WithAnalyzers(ImmutableArray.Create(analyzer));
+                .WithAnalyzers(ImmutableArray.Create(analyzer),
+                    new CompilationWithAnalyzersOptions(
+                        new AnalyzerOptions(new()),
+                        onAnalyzerException: null,
+                        concurrentAnalysis: false,
+                        logAnalyzerExecutionTime: false,
+                        reportSuppressedDiagnostics: true));
 
         var diagnostics = analyzerDiagnosticsOnly
             ? await compilationWithAnalyzers.GetAnalyzerDiagnosticsAsync()

test/EFCore.Analyzers.Tests/UninitializedDbSetDiagnosticSuppressorTest.cs

@@ -1,11 +1,8 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System.Threading.Tasks;
 using Microsoft.CodeAnalysis;
 using Microsoft.CodeAnalysis.Diagnostics;
-using Microsoft.EntityFrameworkCore.TestUtilities;
-using Xunit;
 
 namespace Microsoft.EntityFrameworkCore;
 
@@ -165,9 +162,7 @@ public class Blog
         var diagnostic = Assert.Single(await GetDiagnosticsFullSourceAsync(source));
 
         Assert.Equal("CS8618", diagnostic.Id);
-
-        // Suppression does work, but not in tests because of #27895
-        Assert.False(diagnostic.IsSuppressed);
+        Assert.True(diagnostic.IsSuppressed);
     }
 
     [ConditionalFact]
@@ -195,9 +190,7 @@ public class Blog
             diagnostic =>
             {
                 Assert.Equal("CS8618", diagnostic.Id);
-
-                // Suppression does work, but not in tests because of #27895
-                Assert.False(diagnostic.IsSuppressed);
+                Assert.True(diagnostic.IsSuppressed);
             });
     }