Import Pester separately

Author: andyleejordan

test/PowerShellEditorServices.Test.E2E/DebugAdapterProtocolMessageTests.cs

@@ -1,4 +1,4 @@
-// Copyright (c) Microsoft Corporation.
+// Copyright (c) Microsoft Corporation.
 // Licensed under the MIT License.
 
 using System;
@@ -144,7 +144,8 @@ private string GenerateScriptFromLoggingStatements(params string[] logStatements
 
         private static async Task<string[]> GetLog()
         {
-            while (!File.Exists(s_testOutputPath))
+            using CancellationTokenSource cts = new(30000);
+            while (!File.Exists(s_testOutputPath) && !cts.Token.IsCancellationRequested)
             {
                 await Task.Delay(1000).ConfigureAwait(true);
             }
@@ -294,25 +295,40 @@ public async Task CanLaunchScriptWithCommentedLastLineAsync()
         [Fact]
         public async Task CanRunPesterTestFile()
         {
-            string logStatement = GenerateScriptFromLoggingStatements("pester");
-            string filePath = NewTestFile(@"
-                Install-Module -Name Pester -Scope CurrentUser -Force | Import-Module -Force
-
+            string pesterTest = NewTestFile(@"
                 Describe 'A' {
                     Context 'B' {
                         It 'C' {
-                " + logStatement + @"
+                            { throw 'error' } | Should -Throw
+                        }
+                        It 'D' {
+                            " + GenerateScriptFromLoggingStatements("pester") + @"
                         }
                     }
-                }
-            ");
+                }", isPester: true);
 
-            await PsesDebugAdapterClient.LaunchScript(filePath, Started).ConfigureAwait(true);
-            ConfigurationDoneResponse configDoneResponse = await PsesDebugAdapterClient.RequestConfigurationDone(new ConfigurationDoneArguments()).ConfigureAwait(true);
-            Assert.NotNull(configDoneResponse);
+            string pesterLog = Path.Combine(s_binDir, Path.GetRandomFileName() + ".log");
 
-            Assert.Collection(await GetLog().ConfigureAwait(true),
-                (i) => Assert.Equal("pester", i));
+            string testCommand = @"
+                Start-Transcript -Path '" + pesterLog + @"'
+                Install-Module -Name Pester -RequiredVersion 5.3.3 -Force -PassThru | Write-Host
+                Import-Module -Name Pester -RequiredVersion 5.3.3 -PassThru | Write-Host
+                Invoke-Pester -Script '" + pesterTest + @"'
+                Stop-Transcript";
+
+            string testFile = NewTestFile(testCommand);
+            await PsesDebugAdapterClient.LaunchScript(testFile, Started).ConfigureAwait(true);
+            await PsesDebugAdapterClient.RequestConfigurationDone(new ConfigurationDoneArguments()).ConfigureAwait(true);
+
+            using CancellationTokenSource cts = new(5000);
+            while (!File.Exists(pesterLog) && !cts.Token.IsCancellationRequested)
+            {
+                await Task.Delay(1000).ConfigureAwait(true);
+            }
+            await Task.Delay(15000).ConfigureAwait(true);
+            _output.WriteLine(File.ReadAllText(pesterLog));
+
+            Assert.Collection(await GetLog().ConfigureAwait(true), (i) => Assert.Equal("pester", i));
         }
     }
 }