Added existing file path for MultiThreadingTest

- fixed a few other tests by using the Svg DTD Resolver to avoid web requests

Tests/Svg.UnitTests/MarkerEndTest.cs

@@ -25,10 +25,8 @@ namespace Svg.UnitTests
 
 
         [TestMethod]
-        [Ignore]
         public void TestOperatingPlanRendering()
         {
-            // FIXME: loading file times out - probably regression
             LoadSvg(GetXMLDocFromResource());
         }
 

Tests/Svg.UnitTests/SvgTestHelper.cs

@@ -124,6 +124,7 @@ namespace Svg.UnitTests
             {
                 Trace.WriteLine("Load XmlDocument from resource data.");
                 var xmlDoc = new XmlDocument();
+                xmlDoc.XmlResolver = new SvgDtdResolver();
                 xmlDoc.Load(s);
                 Trace.WriteLine("Done XmlDocument loading from resource data.");
                 return xmlDoc;
@@ -151,7 +152,7 @@ namespace Svg.UnitTests
 		protected virtual XmlDocument GetXMLDocFromFile(string file)
         {
             if (!File.Exists(file))
-                Assert.Fail("Test file missing." + Directory.GetCurrentDirectory() + file);
+                Assert.Fail("Test file missing.", file);
 
             var xmlDoc = new XmlDocument();
             xmlDoc.LoadXml(File.ReadAllText(file));

Tests/Svg.UnitTests/SvgTextElementDeepCopyTest.cs

@@ -16,10 +16,8 @@ namespace Svg.UnitTests
         private const string PureTextElementSvg = "Issue_TextElement.Text.svg";
         
         [TestMethod]
-        [Ignore]
         public void TestSvgTextElementDeepCopy()
         {
-            // FIXME: test currently times out during loading the file stream
             var svgDocument = OpenSvg(GetResourceXmlDoc(GetFullResourceString(PureTextElementSvg)));
             CheckDocument(svgDocument);
 
@@ -46,10 +44,12 @@ namespace Svg.UnitTests
             memoryStream.Seek(0, SeekOrigin.Begin);
 
             var xmlDocument = new XmlDocument();
+            xmlDocument.XmlResolver = new SvgDtdResolver();
             xmlDocument.Load(memoryStream);
 
-            Assert.AreEqual(2, xmlDocument.ChildNodes.Count);
-            var svgNode = xmlDocument.ChildNodes[1];
+            // the first node is the added DTD declaration
+            Assert.AreEqual(3, xmlDocument.ChildNodes.Count);
+            var svgNode = xmlDocument.ChildNodes[2];
 
             // Filter all significant whitespaces.
             var svgChildren = svgNode.ChildNodes

Tests/Svg.UnitTests/SvgTextTests.cs

@@ -13,10 +13,8 @@ namespace Svg.UnitTests
     {
 
         [TestMethod]
-        [Ignore]
         public void TextPropertyAffectsSvgOutput()
         {
-            // FIXME: test currently times out, maybe regression
             var document = new SvgDocument();
             document.Children.Add(new SvgText { Text = "test1" });
             using(var stream = new MemoryStream())
@@ -25,6 +23,7 @@ namespace Svg.UnitTests
                 stream.Position = 0;
 
                 var xmlDoc = new XmlDocument();
+                xmlDoc.XmlResolver = new SvgDtdResolver();
                 xmlDoc.Load(stream);
                 Assert.AreEqual("test1", xmlDoc.DocumentElement.FirstChild.InnerText);
             }