deps: replace axe-core with @bpmn-io/a11y

package.json

@@ -64,12 +64,12 @@
   ],
   "devDependencies": {
     "@babel/core": "^7.20.2",
+    "@bpmn-io/a11y": "^0.1.0",
     "@rollup/plugin-commonjs": "^26.0.0",
     "@rollup/plugin-json": "^6.1.0",
     "@rollup/plugin-node-resolve": "^15.2.3",
     "@rollup/plugin-replace": "^5.0.7",
     "@rollup/plugin-terser": "^0.4.4",
-    "axe-core": "^4.9.0",
     "babel-loader": "^9.1.0",
     "babel-plugin-istanbul": "^6.1.1",
     "bio-dts": "^0.11.0",

test/spec/ModelerSpec.js

@@ -1,4 +1,4 @@
-import axe from 'axe-core';
+import { expectToBeAccessible } from '@bpmn-io/a11y';
 
 import Modeler from 'lib/Modeler';
 import Viewer from 'lib/Viewer';
@@ -931,12 +931,8 @@ describe('Modeler', function() {
       const xml = require('../fixtures/bpmn/simple.bpmn');
       await createModeler(xml);
 
-      // when
-      const results = await axe.run(container);
-
       // then
-      expect(results.passes).to.be.not.empty;
-      expect(results.violations).to.be.empty;
+      await expectToBeAccessible(container);
     });
 
   });

test/spec/NavigatedViewerSpec.js

@@ -1,4 +1,4 @@
-import axe from 'axe-core';
+import { expectToBeAccessible } from '@bpmn-io/a11y';
 
 import NavigatedViewer from 'lib/NavigatedViewer';
 
@@ -111,12 +111,8 @@ describe('NavigatedViewer', function() {
       const xml = require('../fixtures/bpmn/simple.bpmn');
       await createViewer(container, NavigatedViewer, xml);
 
-      // when
-      const results = await axe.run(container);
-
       // then
-      expect(results.passes).to.be.not.empty;
-      expect(results.violations).to.be.empty;
+      await expectToBeAccessible(container);
     });
 
   });

test/spec/ViewerSpec.js

@@ -1,4 +1,4 @@
-import axe from 'axe-core';
+import { expectToBeAccessible } from '@bpmn-io/a11y';
 
 import TestContainer from 'mocha-test-container-support';
 
@@ -1806,12 +1806,8 @@ describe('Viewer', function() {
       const xml = require('../fixtures/bpmn/simple.bpmn');
       await createViewer(container, Viewer, xml);
 
-      // when
-      const results = await axe.run(container);
-
       // then
-      expect(results.passes).to.be.not.empty;
-      expect(results.violations).to.be.empty;
+      await expectToBeAccessible(container);
     });
 
   });