Fixed a errors in benchmarks for .NET Core App 3.1

Author: Taritsyn

test/JavaScriptEngineSwitcher.Benchmarks/Assert.cs

@@ -29,7 +29,7 @@ private static bool EqualInternal(string a, string b, bool ignoreLineBreaks)
 		{
 			if (!ignoreLineBreaks)
 			{
-				return a.Equals(b);
+				return a == b;
 			}
 
 			if (ReferenceEquals(a, b))

test/JavaScriptEngineSwitcher.Benchmarks/HostObjectsEmbeddingBenchmark.cs

@@ -76,7 +76,11 @@ private static void EmbedAndUseHostObjects(Func<IJsEngine> createJsEngine)
 
 	return result;
 }(someObj, log));";
-			const string targetOutput = "RmFsc2V8MjkxNHwwLjg3Mjg1OTEwNzM4ODQyNHxBU0RG0KTQq9CS0JA=";
+#if NETCOREAPP3_1
+			const string targetOutput = "RmFsc2V8MjkxNHwwLjg3Mjg1OTEwNzM4ODQyMzV8QVNERtCk0KvQktCQ";
+#else
+			const string targetOutput = "RmFsc2V8MjkyMHwwLjg3Mjg1OTEwNzM4ODQyNHxBU0RG0KTQq9CS0JA=";
+#endif
 			string targetLogOutput = "-= Start code execution =-" + Environment.NewLine +
 				"-= End of code execution =-" + Environment.NewLine;
 

test/JavaScriptEngineSwitcher.Benchmarks/HostTypesEmbeddingBenchmark.cs

@@ -62,7 +62,11 @@ private static void EmbedAndUseHostTypes(Func<IJsEngine> createJsEngine)
 
 	return result;
 }(SomeClass, Point, SomeOtherClass));";
+#if NETCOREAPP3_1
+			const string targetOutput = "RmFsc2V8MjkyMHwwLjg3Mjg1OTEwNzM4ODQyMzV8QVNERtCk0KvQktCQ";
+#else
 			const string targetOutput = "RmFsc2V8MjkyMHwwLjg3Mjg1OTEwNzM4ODQyNHxBU0RG0KTQq9CS0JA=";
+#endif
 
 			// Act
 			string output;