diff --git a/PSReadLine/PSReadLine.sln b/PSReadLine/PSReadLine.sln
index 3ce7ce89..866d9612 100644
--- a/PSReadLine/PSReadLine.sln
+++ b/PSReadLine/PSReadLine.sln
@@ -1,53 +1,61 @@
-
-Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 15
-VisualStudioVersion = 15.0.26730.12
-MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PSReadLine", "PSReadLine.csproj", "{615788CB-1B9A-4B34-97B3-4608686E59CA}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Polyfill", "..\Polyfill\Polyfill.csproj", "{DE521A7D-A3BE-4A07-BE75-5AB7D87E799D}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MockPSConsole", "..\MockPSConsole\MockPSConsole.csproj", "{08218B1A-8B85-4722-9E3F-4D6C0BF58AD8}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PSReadLine.Tests", "..\test\PSReadLine.Tests.csproj", "{8ED51D01-158C-4B29-824A-35B9B861E45A}"
-EndProject
-Global
-	GlobalSection(SolutionConfigurationPlatforms) = preSolution
-		CodeCoverage|Any CPU = CodeCoverage|Any CPU
-		Debug|Any CPU = Debug|Any CPU
-		Linux|Any CPU = Linux|Any CPU
-		Release|Any CPU = Release|Any CPU
-	EndGlobalSection
-	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{615788CB-1B9A-4B34-97B3-4608686E59CA}.CodeCoverage|Any CPU.ActiveCfg = Release|Any CPU
-		{615788CB-1B9A-4B34-97B3-4608686E59CA}.CodeCoverage|Any CPU.Build.0 = Release|Any CPU
-		{615788CB-1B9A-4B34-97B3-4608686E59CA}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{615788CB-1B9A-4B34-97B3-4608686E59CA}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{615788CB-1B9A-4B34-97B3-4608686E59CA}.Linux|Any CPU.ActiveCfg = Release|Any CPU
-		{615788CB-1B9A-4B34-97B3-4608686E59CA}.Linux|Any CPU.Build.0 = Release|Any CPU
-		{615788CB-1B9A-4B34-97B3-4608686E59CA}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{615788CB-1B9A-4B34-97B3-4608686E59CA}.Release|Any CPU.Build.0 = Release|Any CPU
-		{08218B1A-8B85-4722-9E3F-4D6C0BF58AD8}.CodeCoverage|Any CPU.ActiveCfg = Release|Any CPU
-		{08218B1A-8B85-4722-9E3F-4D6C0BF58AD8}.CodeCoverage|Any CPU.Build.0 = Release|Any CPU
-		{08218B1A-8B85-4722-9E3F-4D6C0BF58AD8}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{08218B1A-8B85-4722-9E3F-4D6C0BF58AD8}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{08218B1A-8B85-4722-9E3F-4D6C0BF58AD8}.Linux|Any CPU.ActiveCfg = Release|Any CPU
-		{08218B1A-8B85-4722-9E3F-4D6C0BF58AD8}.Linux|Any CPU.Build.0 = Release|Any CPU
-		{08218B1A-8B85-4722-9E3F-4D6C0BF58AD8}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{08218B1A-8B85-4722-9E3F-4D6C0BF58AD8}.Release|Any CPU.Build.0 = Release|Any CPU
-		{8ED51D01-158C-4B29-824A-35B9B861E45A}.CodeCoverage|Any CPU.ActiveCfg = Release|Any CPU
-		{8ED51D01-158C-4B29-824A-35B9B861E45A}.CodeCoverage|Any CPU.Build.0 = Release|Any CPU
-		{8ED51D01-158C-4B29-824A-35B9B861E45A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{8ED51D01-158C-4B29-824A-35B9B861E45A}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{8ED51D01-158C-4B29-824A-35B9B861E45A}.Linux|Any CPU.ActiveCfg = Release|Any CPU
-		{8ED51D01-158C-4B29-824A-35B9B861E45A}.Linux|Any CPU.Build.0 = Release|Any CPU
-		{8ED51D01-158C-4B29-824A-35B9B861E45A}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{8ED51D01-158C-4B29-824A-35B9B861E45A}.Release|Any CPU.Build.0 = Release|Any CPU
-	EndGlobalSection
-	GlobalSection(SolutionProperties) = preSolution
-		HideSolutionNode = FALSE
-	EndGlobalSection
-	GlobalSection(ExtensibilityGlobals) = postSolution
-		SolutionGuid = {EA13C704-483F-4CE4-A3FB-8F79295F1071}
-	EndGlobalSection
-EndGlobal
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 15
+VisualStudioVersion = 15.0.26730.12
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PSReadLine", "PSReadLine.csproj", "{615788CB-1B9A-4B34-97B3-4608686E59CA}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Polyfill", "..\Polyfill\Polyfill.csproj", "{DE521A7D-A3BE-4A07-BE75-5AB7D87E799D}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MockPSConsole", "..\MockPSConsole\MockPSConsole.csproj", "{08218B1A-8B85-4722-9E3F-4D6C0BF58AD8}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PSReadLine.Tests", "..\test\PSReadLine.Tests.csproj", "{8ED51D01-158C-4B29-824A-35B9B861E45A}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		CodeCoverage|Any CPU = CodeCoverage|Any CPU
+		Debug|Any CPU = Debug|Any CPU
+		Linux|Any CPU = Linux|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{615788CB-1B9A-4B34-97B3-4608686E59CA}.CodeCoverage|Any CPU.ActiveCfg = Release|Any CPU
+		{615788CB-1B9A-4B34-97B3-4608686E59CA}.CodeCoverage|Any CPU.Build.0 = Release|Any CPU
+		{615788CB-1B9A-4B34-97B3-4608686E59CA}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{615788CB-1B9A-4B34-97B3-4608686E59CA}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{615788CB-1B9A-4B34-97B3-4608686E59CA}.Linux|Any CPU.ActiveCfg = Release|Any CPU
+		{615788CB-1B9A-4B34-97B3-4608686E59CA}.Linux|Any CPU.Build.0 = Release|Any CPU
+		{615788CB-1B9A-4B34-97B3-4608686E59CA}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{615788CB-1B9A-4B34-97B3-4608686E59CA}.Release|Any CPU.Build.0 = Release|Any CPU
+		{DE521A7D-A3BE-4A07-BE75-5AB7D87E799D}.CodeCoverage|Any CPU.ActiveCfg = Release|Any CPU
+		{DE521A7D-A3BE-4A07-BE75-5AB7D87E799D}.CodeCoverage|Any CPU.Build.0 = Release|Any CPU
+		{DE521A7D-A3BE-4A07-BE75-5AB7D87E799D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{DE521A7D-A3BE-4A07-BE75-5AB7D87E799D}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{DE521A7D-A3BE-4A07-BE75-5AB7D87E799D}.Linux|Any CPU.ActiveCfg = Release|Any CPU
+		{DE521A7D-A3BE-4A07-BE75-5AB7D87E799D}.Linux|Any CPU.Build.0 = Release|Any CPU
+		{DE521A7D-A3BE-4A07-BE75-5AB7D87E799D}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{DE521A7D-A3BE-4A07-BE75-5AB7D87E799D}.Release|Any CPU.Build.0 = Release|Any CPU
+		{08218B1A-8B85-4722-9E3F-4D6C0BF58AD8}.CodeCoverage|Any CPU.ActiveCfg = Release|Any CPU
+		{08218B1A-8B85-4722-9E3F-4D6C0BF58AD8}.CodeCoverage|Any CPU.Build.0 = Release|Any CPU
+		{08218B1A-8B85-4722-9E3F-4D6C0BF58AD8}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{08218B1A-8B85-4722-9E3F-4D6C0BF58AD8}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{08218B1A-8B85-4722-9E3F-4D6C0BF58AD8}.Linux|Any CPU.ActiveCfg = Release|Any CPU
+		{08218B1A-8B85-4722-9E3F-4D6C0BF58AD8}.Linux|Any CPU.Build.0 = Release|Any CPU
+		{08218B1A-8B85-4722-9E3F-4D6C0BF58AD8}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{08218B1A-8B85-4722-9E3F-4D6C0BF58AD8}.Release|Any CPU.Build.0 = Release|Any CPU
+		{8ED51D01-158C-4B29-824A-35B9B861E45A}.CodeCoverage|Any CPU.ActiveCfg = Release|Any CPU
+		{8ED51D01-158C-4B29-824A-35B9B861E45A}.CodeCoverage|Any CPU.Build.0 = Release|Any CPU
+		{8ED51D01-158C-4B29-824A-35B9B861E45A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{8ED51D01-158C-4B29-824A-35B9B861E45A}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{8ED51D01-158C-4B29-824A-35B9B861E45A}.Linux|Any CPU.ActiveCfg = Release|Any CPU
+		{8ED51D01-158C-4B29-824A-35B9B861E45A}.Linux|Any CPU.Build.0 = Release|Any CPU
+		{8ED51D01-158C-4B29-824A-35B9B861E45A}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{8ED51D01-158C-4B29-824A-35B9B861E45A}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {EA13C704-483F-4CE4-A3FB-8F79295F1071}
+	EndGlobalSection
+EndGlobal
diff --git a/test/UnitTestReadLine.cs b/test/UnitTestReadLine.cs
index ad248096..a6c1572c 100644
--- a/test/UnitTestReadLine.cs
+++ b/test/UnitTestReadLine.cs
@@ -537,6 +537,7 @@ private void TestMustDing(string expectedResult, object[] items)
         private string _emptyLine;
         private TestConsole _console;
         private MockedMethods _mockedMethods;
+        private bool _oneTimeInitCompleted;
 
         private static string MakeCombinedColor(ConsoleColor fg, ConsoleColor bg)
             => VTColorUtils.AsEscapeSequence(fg) + VTColorUtils.AsEscapeSequence(bg, isBackground: true);
@@ -626,6 +627,13 @@ private void TestSetup(TestConsole console, KeyMode keyMode, params KeyHandler[]
             }
             var colorOptions = new SetPSReadLineOption {Colors = colors};
             PSConsoleReadLine.SetOptions(colorOptions);
+
+            if (!_oneTimeInitCompleted)
+            {
+                typeof(PSConsoleReadLine).GetMethod("Initialize", BindingFlags.Instance | BindingFlags.NonPublic)
+                    .Invoke(instance, new object[] { /* Runspace */ null, /* EngineIntrinsics */ null, });
+                _oneTimeInitCompleted = true;
+            }
         }
     }