Add log info to time test. Fix instrumentation test.

Author: NachoEchevarria

tracer/test/Datadog.Trace.ClrProfiler.IntegrationTests/InstrumentationTests.cs

@@ -500,7 +500,7 @@ public async Task OnPreviewFrameworkInSsi_CallsForwarderWithExpectedTelemetry()
                                "tags": ["injection_forced:true"]
                              }]
                              """;
-            AssertHasExpectedTelemetry(logFileName, processResult, pointsJson, "success", ".NET 10 or higher", "success_forced");
+            AssertHasExpectedTelemetry(logFileName, processResult, pointsJson, "success", "Force instrumentation enabled, incompatible runtime, .NET 10 or higher", "success_forced");
         }
 
         [SkippableFact]

tracer/test/Datadog.Trace.Tests/TraceContextTests.cs

@@ -41,8 +41,9 @@ public void UtcNow_IsMonotonic()
 
             var t1 = traceContext.Clock.UtcNow;
             var t2 = traceContext.Clock.UtcNow;
+            var substractResult = t2.Subtract(t1);
 
-            Assert.True(t2.Subtract(t1) > TimeSpan.Zero);
+            Assert.True(substractResult > TimeSpan.Zero, $"{t2.ToString()} minus {t1.ToString()} results in {substractResult} which is incorrect.");
         }
 
         [Theory]