Fix ambiguity

Author: andrewlock

tracer/test/Datadog.Trace.Tests/Logging/DatadogLoggingFactoryTests.cs

@@ -243,10 +243,11 @@ public void GetProgramDataDirectory_OnWindows_ReturnsValidProgramDataPath()
 
         // Should contain "ProgramData" or "Program Data" (for localized versions)
         // or be the fallback C:\ProgramData
-        (result.Contains("ProgramData", StringComparison.OrdinalIgnoreCase) ||
-         result.Contains("Program Data", StringComparison.OrdinalIgnoreCase) ||
+        (System.MemoryExtensions.Contains(result, "ProgramData", StringComparison.OrdinalIgnoreCase) ||
+         System.MemoryExtensions.Contains(result, "Program Data", StringComparison.OrdinalIgnoreCase) ||
          result.Equals(@"C:\ProgramData", StringComparison.OrdinalIgnoreCase))
-            .Should().BeTrue();
+           .Should()
+           .BeTrue();
     }
 
     [Fact]

tracer/test/Datadog.Trace.Tests/Logging/TracerFlare/TracerFlareManagerTests.cs

@@ -24,7 +24,7 @@ public class TracerFlareManagerTests
     private const string ConfigPath = "/some/path";
     private readonly string _requestId = Guid.NewGuid().ToString();
     private readonly string _logsDir;
-    private readonly byte[] _validConfigBytes = """{ "task_type": "tracer_flare", "args": { "case_id": "abc123","hostname": "my.hostname", "user_handle": "its.me@datadoghq.com" } }"""u8.ToArray();
+    private readonly byte[] _validConfigBytes = Encoding.UTF8.GetBytes("""{ "task_type": "tracer_flare", "args": { "case_id": "abc123","hostname": "my.hostname", "user_handle": "its.me@datadoghq.com" } }""");
 
     public TracerFlareManagerTests()
     {