Disable flaky Profiler tests in CI (#4487)

Author: jamescrosswell

test/Sentry.Profiling.Tests/SamplingTransactionProfilerTests.cs

@@ -117,11 +117,7 @@ private SampleProfile CaptureAndValidate(ITransactionProfilerFactory factory)
     [SkippableFact]
     public void Profiler_WithZeroStartupTimeout_CapturesAfterStartingAsynchronously()
     {
-        if (TestEnvironment.IsGitHubActions)
-        {
-            Skip.If(RuntimeInformation.IsOSPlatform(OSPlatform.Windows), "Flaky in CI on Windows.");
-            Skip.If(RuntimeInformation.IsOSPlatform(OSPlatform.Linux), "Flaky in CI on Linux.");
-        }
+        Skip.If(TestEnvironment.IsGitHubActions, "Flaky in CI.");
 
         using var factory = new SamplingTransactionProfilerFactory(_testSentryOptions, TimeSpan.Zero);
         var profiler = factory.Start(new TransactionTracer(Substitute.For<IHub>(), "test", ""), CancellationToken.None);
@@ -170,6 +166,8 @@ public void Profiler_MultipleProfiles_Works(int startTimeoutSeconds)
     [SkippableFact]
     public async Task Profiler_AfterTimeout_Stops()
     {
+        Skip.If(TestEnvironment.IsGitHubActions && RuntimeInformation.IsOSPlatform(OSPlatform.Windows), "Flaky in CI on Windows");
+
         SampleProfilerSession? session = null;
         SkipIfFailsInCI(() => session = SampleProfilerSession.StartNew(_testOutputLogger));
         using (session)

test/Sentry.Tests/GlobalSessionManagerTests.cs

@@ -101,9 +101,11 @@ public void StartSession_CacheDirectoryProvidedButFileWriteDisabled_Installation
         Assert.False(_fixture.Options.FileSystem.FileExists(filePath));
     }
 
-    [Fact]
+    [SkippableFact]
     public void StartSession_CacheDirectoryNotProvided_InstallationIdFileCreated()
     {
+        Skip.If(TestEnvironment.IsGitHubActions, "Flaky in CI");
+
         // Arrange
         _fixture.Options.CacheDirectoryPath = null;
         // Setting the test-cache directory to be properly disposed