diff --git a/packages/mermaid/src/Diagram.ts b/packages/mermaid/src/Diagram.ts
index eae576eec..dd57ef3b4 100644
--- a/packages/mermaid/src/Diagram.ts
+++ b/packages/mermaid/src/Diagram.ts
@@ -20,6 +20,7 @@ export class Diagram {
     this.db.clear?.();
     this.renderer = diagram.renderer;
     this.parser = diagram.parser;
+    console.log('Setting db to !', this.db);
     this.parser.parser.yy = this.db;
     if (diagram.init) {
       diagram.init(cnf);
diff --git a/packages/mermaid/src/diagram-api/diagramAPI.spec.ts b/packages/mermaid/src/diagram-api/diagramAPI.spec.ts
index e0c7a283d..6fbae5e8c 100644
--- a/packages/mermaid/src/diagram-api/diagramAPI.spec.ts
+++ b/packages/mermaid/src/diagram-api/diagramAPI.spec.ts
@@ -1,5 +1,5 @@
-import { detectType } from './detectType';
-import { getDiagram, registerDiagram } from './diagramAPI';
+import { detectType, DiagramDetector } from './detectType';
+import { getDiagram, registerDiagram, registerDetector } from './diagramAPI';
 import { addDiagrams } from './diagram-orchestration';
 
 addDiagrams();
@@ -16,6 +16,10 @@ describe('DiagramAPI', () => {
   it('should handle diagram registrations', () => {
     expect(() => getDiagram('loki')).toThrow();
     expect(() => detectType('loki diagram')).not.toThrow(); // TODO: #3391
+    const detector: DiagramDetector = (str: string) => {
+      return str.match('loki') !== null;
+    };
+    registerDetector('loki', detector);
     registerDiagram(
       'loki',
       {
diff --git a/packages/mermaid/src/diagrams/sequence/sequenceDiagram.spec.js b/packages/mermaid/src/diagrams/sequence/sequenceDiagram.spec.js
index 5b3d9b05d..d1ea4d118 100644
--- a/packages/mermaid/src/diagrams/sequence/sequenceDiagram.spec.js
+++ b/packages/mermaid/src/diagrams/sequence/sequenceDiagram.spec.js
@@ -1795,13 +1795,14 @@ describe('when rendering a sequenceDiagram with directives', function () {
     diagram.renderer.bounds.init();
   });
 
-  it('should handle one actor, when theme is dark and logLevel is 1 DX1', function () {
+  it('should handle one actor, when theme is dark and logLevel is 1 DX1 (dfg1)', function () {
     const str = `
 %%{init: { "theme": "dark", "logLevel": 1 } }%%
 sequenceDiagram
 %%{wrap}%%
 participant Alice
 `;
+    diagram = new Diagram(str);
 
     diagram.renderer.bounds.init();
     mermaidAPI.parse(str);
@@ -1819,14 +1820,14 @@ participant Alice
       models.lastActor().y + models.lastActor().height + mermaid.sequence.boxMargin
     );
   });
-  it('should handle one actor, when logLevel is 3', function () {
+  it('should handle one actor, when logLevel is 3 (dfg0)', function () {
     const str = `
 %%{initialize: { "logLevel": 3 }}%%
 sequenceDiagram
 participant Alice
 `;
 
-    mermaidAPI.parse(str);
+    // diagram.parse(str);
     diagram.renderer.draw(str, 'tst', '1.2.3', diagram);
 
     const { bounds, models } = diagram.renderer.bounds.getBounds();