diff --git a/test/SharpCompress.Test/Zip/ZipArchiveTests.cs b/test/SharpCompress.Test/Zip/ZipArchiveTests.cs
index 5aa55c78..5b54ae34 100644
--- a/test/SharpCompress.Test/Zip/ZipArchiveTests.cs
+++ b/test/SharpCompress.Test/Zip/ZipArchiveTests.cs
@@ -383,7 +383,7 @@ namespace SharpCompress.Test
             }
 
             stream = new MemoryStream(stream.ToArray());
-            File.WriteAllBytes("foo.zip", stream.ToArray());
+            File.WriteAllBytes(Path.Combine(SCRATCH_FILES_PATH, "foo.zip"), stream.ToArray());
 
             using (var zipArchive = ZipArchive.Open(stream))
             {
diff --git a/test/SharpCompress.Test/Zip/ZipReaderTests.cs b/test/SharpCompress.Test/Zip/ZipReaderTests.cs
index fcef177a..cca7250a 100644
--- a/test/SharpCompress.Test/Zip/ZipReaderTests.cs
+++ b/test/SharpCompress.Test/Zip/ZipReaderTests.cs
@@ -209,7 +209,7 @@ namespace SharpCompress.Test
             }
 
             stream = new MemoryStream(stream.ToArray());
-            File.WriteAllBytes("foo.zip", stream.ToArray());
+            File.WriteAllBytes(Path.Combine(SCRATCH_FILES_PATH, "foo.zip"), stream.ToArray());
 
             using (IReader zipReader = ZipReader.Open(stream))
             {
diff --git a/test/SharpCompress.Test/project.json b/test/SharpCompress.Test/project.json
index b27d797e..d8a4b0da 100644
--- a/test/SharpCompress.Test/project.json
+++ b/test/SharpCompress.Test/project.json
@@ -6,7 +6,7 @@
     "projectUrl": "",
     "licenseUrl": "",
     "commands": {
-        "test": "xunit.runner.dnx"
+        "test": "xunit.runner.dnx -parallel none"
     },
     "frameworks": {
         "dnxcore50": {