Fix tests

Author: SeeminglyScience

src/PowerShellEditorServices/Services/DebugAdapter/BreakpointService.cs

@@ -62,7 +62,7 @@ public async Task<IReadOnlyList<Breakpoint>> GetBreakpointsAsync()
 
         public async Task<IReadOnlyList<BreakpointDetails>> SetBreakpointsAsync(string escapedScriptPath, IReadOnlyList<BreakpointDetails> breakpoints)
         {
-            if (_breakpointSyncService.IsSupported)
+            if (_breakpointSyncService?.IsSupported is true)
             {
                 // Since we're syncing breakpoints outside of debug configurations, if we can't find
                 // an existing breakpoint then mark it as unverified.
@@ -249,7 +249,7 @@ public async Task RemoveAllBreakpointsAsync(string scriptPath = null)
         {
             // Only need to remove all breakpoints if we're not able to sync outside of debug
             // sessions.
-            if (_breakpointSyncService.IsSupported)
+            if (_breakpointSyncService?.IsSupported is true)
             {
                 return;
             }

src/PowerShellEditorServices/Services/PowerShell/Host/PsesInternalHost.cs

@@ -240,7 +240,7 @@ public PsesInternalHost(
         private bool ShouldExitExecutionLoop => _shouldExit || _shuttingDown != 0;
 
         private BreakpointSyncService BreakpointSync
-            => _breakpointSyncService ??= _languageServer.GetService<BreakpointSyncService>();
+            => _breakpointSyncService ??= _languageServer?.GetService<BreakpointSyncService>();
 
         public override void EnterNestedPrompt() => PushPowerShellAndRunLoop(
             CreateNestedPowerShell(CurrentRunspace),
@@ -894,7 +894,7 @@ private void PopPowerShell(RunspaceChangeAction runspaceChangeAction = RunspaceC
                                 newRunspaceFrame.RunspaceInfo));
                     }
 
-                    if (BreakpointSync.IsSupported)
+                    if (BreakpointSync?.IsSupported is true)
                     {
                         BreakpointSync.SyncServerAfterRunspacePop();
                     }

test/PowerShellEditorServices.Test/Debugging/DebugServiceTests.cs

@@ -53,11 +53,13 @@ public DebugServiceTests()
             psesHost.DebugContext.EnableDebugMode();
             psesHost._readLineProvider.ReadLine = testReadLine;
 
+            DebugStateService debugStateService = new();
             breakpointService = new BreakpointService(
                 NullLoggerFactory.Instance,
                 psesHost,
                 psesHost,
-                new DebugStateService());
+                debugStateService,
+                breakpointSyncService: null);
 
             debugService = new DebugService(
                 psesHost,