diff --git a/test/PowerShellEditorServices.Test/Extensions/ExtensionCommandTests.cs b/test/PowerShellEditorServices.Test/Extensions/ExtensionCommandTests.cs
index 430687f93..613202094 100644
--- a/test/PowerShellEditorServices.Test/Extensions/ExtensionCommandTests.cs
+++ b/test/PowerShellEditorServices.Test/Extensions/ExtensionCommandTests.cs
@@ -51,7 +51,7 @@ public void Dispose()
         [Fact]
         public async Task CanRegisterAndInvokeCommandWithCmdletName()
         {
-            string filePath = TestUtilities.NormalizePath("C:\\Temp\\Test.ps1");
+            string filePath = TestUtilities.NormalizePath(@"C:\Temp\Test.ps1");
             ScriptFile currentFile = new(new Uri(filePath), "This is a test file", new Version("7.0"));
             EditorContext editorContext = new(
                 editorOperations: null,
@@ -87,7 +87,7 @@ await psesHost.ExecutePSCommandAsync(
         [Fact]
         public async Task CanRegisterAndInvokeCommandWithScriptBlock()
         {
-            string filePath = TestUtilities.NormalizePath("C:\\Temp\\Test.ps1");
+            string filePath = TestUtilities.NormalizePath(@"C:\Temp\Test.ps1");
             ScriptFile currentFile = new(new Uri(filePath), "This is a test file", new Version("7.0"));
             EditorContext editorContext = new(
                 editorOperations: null,
@@ -149,7 +149,7 @@ await psesHost.ExecutePSCommandAsync(
         [Fact]
         public async Task CanUnregisterCommand()
         {
-            string filePath = TestUtilities.NormalizePath("C:\\Temp\\Test.ps1");
+            string filePath = TestUtilities.NormalizePath(@"C:\Temp\Test.ps1");
             ScriptFile currentFile = new(new Uri(filePath), "This is a test file", new Version("7.0"));
             EditorContext editorContext = new(
                 editorOperations: null,
diff --git a/test/PowerShellEditorServices.Test/Session/PathEscapingTests.cs b/test/PowerShellEditorServices.Test/Session/PathEscapingTests.cs
index ed591a395..3d4f0d479 100644
--- a/test/PowerShellEditorServices.Test/Session/PathEscapingTests.cs
+++ b/test/PowerShellEditorServices.Test/Session/PathEscapingTests.cs
@@ -12,17 +12,17 @@ public class PathEscapingTests
         [Theory]
         [InlineData("DebugTest.ps1", "DebugTest.ps1")]
         [InlineData("../../DebugTest.ps1", "../../DebugTest.ps1")]
-        [InlineData("C:\\Users\\me\\Documents\\DebugTest.ps1", "C:\\Users\\me\\Documents\\DebugTest.ps1")]
+        [InlineData(@"C:\Users\me\Documents\DebugTest.ps1", @"C:\Users\me\Documents\DebugTest.ps1")]
         [InlineData("/home/me/Documents/weird&folder/script.ps1", "/home/me/Documents/weird&folder/script.ps1")]
         [InlineData("./path/with some/spaces", "./path/with some/spaces")]
-        [InlineData("C:\\path\\with[some]brackets\\file.ps1", "C:\\path\\with`[some`]brackets\\file.ps1")]
-        [InlineData("C:\\look\\an*\\here.ps1", "C:\\look\\an`*\\here.ps1")]
+        [InlineData(@"C:\path\with[some]brackets\file.ps1", @"C:\path\with`[some`]brackets\file.ps1")]
+        [InlineData(@"C:\look\an*\here.ps1", @"C:\look\an`*\here.ps1")]
         [InlineData("/Users/me/Documents/?here.ps1", "/Users/me/Documents/`?here.ps1")]
         [InlineData("/Brackets [and s]paces/path.ps1", "/Brackets `[and s`]paces/path.ps1")]
         [InlineData("/CJK.chars/脚本/hello.ps1", "/CJK.chars/脚本/hello.ps1")]
         [InlineData("/CJK.chars/脚本/[hello].ps1", "/CJK.chars/脚本/`[hello`].ps1")]
-        [InlineData("C:\\Animals\\утка\\quack.ps1", "C:\\Animals\\утка\\quack.ps1")]
-        [InlineData("C:\\&nimals\\утка\\qu*ck?.ps1", "C:\\&nimals\\утка\\qu`*ck`?.ps1")]
+        [InlineData(@"C:\Animals\утка\quack.ps1", @"C:\Animals\утка\quack.ps1")]
+        [InlineData(@"C:\&nimals\утка\qu*ck?.ps1", @"C:\&nimals\утка\qu`*ck`?.ps1")]
         public void CorrectlyWildcardEscapesPathsNoSpaces(string unescapedPath, string escapedPath)
         {
             string extensionEscapedPath = PathUtils.WildcardEscapePath(unescapedPath);
@@ -33,17 +33,17 @@ public void CorrectlyWildcardEscapesPathsNoSpaces(string unescapedPath, string e
         [Theory]
         [InlineData("DebugTest.ps1", "DebugTest.ps1")]
         [InlineData("../../DebugTest.ps1", "../../DebugTest.ps1")]
-        [InlineData("C:\\Users\\me\\Documents\\DebugTest.ps1", "C:\\Users\\me\\Documents\\DebugTest.ps1")]
+        [InlineData(@"C:\Users\me\Documents\DebugTest.ps1", @"C:\Users\me\Documents\DebugTest.ps1")]
         [InlineData("/home/me/Documents/weird&folder/script.ps1", "/home/me/Documents/weird&folder/script.ps1")]
         [InlineData("./path/with some/spaces", "./path/with` some/spaces")]
-        [InlineData("C:\\path\\with[some]brackets\\file.ps1", "C:\\path\\with`[some`]brackets\\file.ps1")]
-        [InlineData("C:\\look\\an*\\here.ps1", "C:\\look\\an`*\\here.ps1")]
+        [InlineData(@"C:\path\with[some]brackets\file.ps1", @"C:\path\with`[some`]brackets\file.ps1")]
+        [InlineData(@"C:\look\an*\here.ps1", @"C:\look\an`*\here.ps1")]
         [InlineData("/Users/me/Documents/?here.ps1", "/Users/me/Documents/`?here.ps1")]
         [InlineData("/Brackets [and s]paces/path.ps1", "/Brackets` `[and` s`]paces/path.ps1")]
         [InlineData("/CJK chars/脚本/hello.ps1", "/CJK` chars/脚本/hello.ps1")]
         [InlineData("/CJK chars/脚本/[hello].ps1", "/CJK` chars/脚本/`[hello`].ps1")]
-        [InlineData("C:\\Animal s\\утка\\quack.ps1", "C:\\Animal` s\\утка\\quack.ps1")]
-        [InlineData("C:\\&nimals\\утка\\qu*ck?.ps1", "C:\\&nimals\\утка\\qu`*ck`?.ps1")]
+        [InlineData(@"C:\Animal s\утка\quack.ps1", @"C:\Animal` s\утка\quack.ps1")]
+        [InlineData(@"C:\&nimals\утка\qu*ck?.ps1", @"C:\&nimals\утка\qu`*ck`?.ps1")]
         public void CorrectlyWildcardEscapesPathsSpaces(string unescapedPath, string escapedPath)
         {
             string extensionEscapedPath = PathUtils.WildcardEscapePath(unescapedPath, escapeSpaces: true);
diff --git a/test/PowerShellEditorServices.Test/Session/PsesInternalHostTests.cs b/test/PowerShellEditorServices.Test/Session/PsesInternalHostTests.cs
index 76f303681..1e141bbc9 100644
--- a/test/PowerShellEditorServices.Test/Session/PsesInternalHostTests.cs
+++ b/test/PowerShellEditorServices.Test/Session/PsesInternalHostTests.cs
@@ -223,7 +223,7 @@ await psesHost.ExecutePSCommandAsync(
 
         [Theory]
         [InlineData("")] // Regression test for "unset" path.
-        [InlineData("C:\\Some\\Bad\\Directory")] // Non-existent directory.
+        [InlineData(@"C:\Some\Bad\Directory")] // Non-existent directory.
         [InlineData("testhost.dll")] // Existent file.
         public async Task CanHandleBadInitialWorkingDirectory(string path)
         {
diff --git a/test/PowerShellEditorServices.Test/Session/ScriptFileTests.cs b/test/PowerShellEditorServices.Test/Session/ScriptFileTests.cs
index 4839eacfa..11c27c4cf 100644
--- a/test/PowerShellEditorServices.Test/Session/ScriptFileTests.cs
+++ b/test/PowerShellEditorServices.Test/Session/ScriptFileTests.cs
@@ -654,7 +654,7 @@ public void DocumentUriReturnsCorrectStringForAbsolutePath()
                 scriptFile = new ScriptFile(DocumentUri.FromFileSystemPath(path), emptyStringReader, PowerShellVersion);
                 Assert.Equal("file:///home/NaomiNagata/projects/Rocinate/Proto%3AMole%3Acule.ps1", scriptFile.DocumentUri);
 
-                path = "/home/JamesHolden/projects/Rocinate/Proto:Mole\\cule.ps1";
+                path = @"/home/JamesHolden/projects/Rocinate/Proto:Mole\cule.ps1";
                 scriptFile = new ScriptFile(DocumentUri.FromFileSystemPath(path), emptyStringReader, PowerShellVersion);
                 Assert.Equal("file:///home/JamesHolden/projects/Rocinate/Proto%3AMole%5Ccule.ps1", scriptFile.DocumentUri);
             }
@@ -662,12 +662,13 @@ public void DocumentUriReturnsCorrectStringForAbsolutePath()
 
         [Trait("Category", "ScriptFile")]
         [Theory]
-        [InlineData("C:\\Users\\me\\Documents\\test.ps1", false)]
+        [InlineData(@"C:\Users\me\Documents\test.ps1", false)]
         [InlineData("/Users/me/Documents/test.ps1", false)]
         [InlineData("vscode-notebook-cell:/Users/me/Documents/test.ps1#0001", true)]
         [InlineData("https://microsoft.com", true)]
         [InlineData("Untitled:Untitled-1", true)]
-        [InlineData("'a log statement' > 'c:\\Users\\me\\Documents\\test.txt'\r\n", false)]
+        [InlineData(@"'a log statement' > 'c:\Users\me\Documents\test.txt'
+", false)]
         public void IsUntitledFileIsCorrect(string path, bool expected) => Assert.Equal(expected, ScriptFile.IsUntitledPath(path));
     }
 }