diff --git a/src/yamlServerInit.ts b/src/yamlServerInit.ts
index d1b8776e..9c5a4fdb 100644
--- a/src/yamlServerInit.ts
+++ b/src/yamlServerInit.ts
@@ -13,24 +13,18 @@ import { NotificationHandlers } from './languageserver/handlers/notificationHand
 import { RequestHandlers } from './languageserver/handlers/requestHandlers';
 import { ValidationHandler } from './languageserver/handlers/validationHandlers';
 import { SettingsHandler } from './languageserver/handlers/settingsHandlers';
-import { ClientCapabilities } from 'vscode-json-languageservice';
 
 export class YAMLServerInit {
-  private yamlSettings: SettingsState;
   languageService: LanguageService;
   languageHandler: LanguageHandlers;
   validationHandler: ValidationHandler;
 
   constructor(
     private readonly connection: IConnection,
-    yamlSettings: SettingsState,
-    workspaceContext: WorkspaceContextService,
-    schemaRequestService: SchemaRequestService
+    private yamlSettings: SettingsState,
+    private workspaceContext: WorkspaceContextService,
+    private schemaRequestService: SchemaRequestService
   ) {
-    this.yamlSettings = yamlSettings;
-
-    this.languageService = getCustomLanguageService(schemaRequestService, workspaceContext, ClientCapabilities.LATEST);
-
     this.yamlSettings.documents.listen(this.connection);
 
     /**
@@ -39,48 +33,7 @@ export class YAMLServerInit {
      */
     this.connection.onInitialize(
       (params: InitializeParams): InitializeResult => {
-        this.yamlSettings.capabilities = params.capabilities;
-        this.languageService = getCustomLanguageService(schemaRequestService, workspaceContext, params.capabilities);
-
-        // Only try to parse the workspace root if its not null. Otherwise initialize will fail
-        if (params.rootUri) {
-          this.yamlSettings.workspaceRoot = URI.parse(params.rootUri);
-        }
-        this.yamlSettings.workspaceFolders = params.workspaceFolders || [];
-
-        this.yamlSettings.hierarchicalDocumentSymbolSupport = !!(
-          this.yamlSettings.capabilities.textDocument &&
-          this.yamlSettings.capabilities.textDocument.documentSymbol &&
-          this.yamlSettings.capabilities.textDocument.documentSymbol.hierarchicalDocumentSymbolSupport
-        );
-        this.yamlSettings.clientDynamicRegisterSupport = !!(
-          this.yamlSettings.capabilities.textDocument &&
-          this.yamlSettings.capabilities.textDocument.rangeFormatting &&
-          this.yamlSettings.capabilities.textDocument.rangeFormatting.dynamicRegistration
-        );
-        this.yamlSettings.hasWorkspaceFolderCapability =
-          this.yamlSettings.capabilities.workspace && !!this.yamlSettings.capabilities.workspace.workspaceFolders;
-        return {
-          capabilities: {
-            textDocumentSync: this.yamlSettings.documents.syncKind,
-            completionProvider: { resolveProvider: false },
-            hoverProvider: true,
-            documentSymbolProvider: true,
-            documentFormattingProvider: false,
-            documentOnTypeFormattingProvider: {
-              firstTriggerCharacter: '\n',
-            },
-            documentRangeFormattingProvider: false,
-            documentLinkProvider: {},
-            foldingRangeProvider: true,
-            workspace: {
-              workspaceFolders: {
-                changeNotifications: true,
-                supported: true,
-              },
-            },
-          },
-        };
+        return this.connectionInitialized(params);
       }
     );
     this.connection.onInitialized(() => {
@@ -90,7 +43,58 @@ export class YAMLServerInit {
         });
       }
     });
+  }
+
+  // public for test setup
+  connectionInitialized(params: InitializeParams): InitializeResult {
+    this.yamlSettings.capabilities = params.capabilities;
+    this.languageService = getCustomLanguageService(this.schemaRequestService, this.workspaceContext, params.capabilities);
+
+    // Only try to parse the workspace root if its not null. Otherwise initialize will fail
+    if (params.rootUri) {
+      this.yamlSettings.workspaceRoot = URI.parse(params.rootUri);
+    }
+    this.yamlSettings.workspaceFolders = params.workspaceFolders || [];
+
+    this.yamlSettings.hierarchicalDocumentSymbolSupport = !!(
+      this.yamlSettings.capabilities.textDocument &&
+      this.yamlSettings.capabilities.textDocument.documentSymbol &&
+      this.yamlSettings.capabilities.textDocument.documentSymbol.hierarchicalDocumentSymbolSupport
+    );
+    this.yamlSettings.clientDynamicRegisterSupport = !!(
+      this.yamlSettings.capabilities.textDocument &&
+      this.yamlSettings.capabilities.textDocument.rangeFormatting &&
+      this.yamlSettings.capabilities.textDocument.rangeFormatting.dynamicRegistration
+    );
+    this.yamlSettings.hasWorkspaceFolderCapability =
+      this.yamlSettings.capabilities.workspace && !!this.yamlSettings.capabilities.workspace.workspaceFolders;
+
+    this.registerHandlers();
+
+    return {
+      capabilities: {
+        textDocumentSync: this.yamlSettings.documents.syncKind,
+        completionProvider: { resolveProvider: false },
+        hoverProvider: true,
+        documentSymbolProvider: true,
+        documentFormattingProvider: false,
+        documentOnTypeFormattingProvider: {
+          firstTriggerCharacter: '\n',
+        },
+        documentRangeFormattingProvider: false,
+        documentLinkProvider: {},
+        foldingRangeProvider: true,
+        workspace: {
+          workspaceFolders: {
+            changeNotifications: true,
+            supported: true,
+          },
+        },
+      },
+    };
+  }
 
+  private registerHandlers(): void {
     // Register all features that the language server has
     this.validationHandler = new ValidationHandler(this.connection, this.languageService, this.yamlSettings);
     const settingsHandler = new SettingsHandler(this.connection, this.languageService, this.yamlSettings, this.validationHandler);
diff --git a/test/utils/testHelper.ts b/test/utils/testHelper.ts
index b730908b..f6668a88 100644
--- a/test/utils/testHelper.ts
+++ b/test/utils/testHelper.ts
@@ -10,6 +10,7 @@ import { YAMLServerInit } from '../../src/yamlServerInit';
 import { LanguageService, LanguageSettings } from '../../src';
 import { ValidationHandler } from '../../src/languageserver/handlers/validationHandlers';
 import { LanguageHandlers } from '../../src/languageserver/handlers/languageHandlers';
+import { ClientCapabilities } from 'vscode-json-languageservice';
 
 export function toFsPath(str: unknown): string {
   if (typeof str !== 'string') {
@@ -63,6 +64,12 @@ export function setupLanguageService(languageSettings: LanguageSettings): TestLa
   };
   const schemaRequestService = schemaRequestHandlerWrapper.bind(this, connection);
   const serverInit = new YAMLServerInit(connection, yamlSettings, workspaceContext, schemaRequestService);
+  serverInit.connectionInitialized({
+    processId: null,
+    capabilities: ClientCapabilities.LATEST,
+    rootUri: null,
+    workspaceFolders: null,
+  });
   const languageService = serverInit.languageService;
   const validationHandler = serverInit.validationHandler;
   const languageHandler = serverInit.languageHandler;