Get PackageManager specs passing

spec/fixtures/packages/package-with-tree-sitter-grammar/grammars/some-language.cson

@@ -2,7 +2,7 @@ name: 'Some Language'
 
 scopeName: 'some-language'
 
-type: 'tree-sitter'
+type: 'modern-tree-sitter'
 
 parser: './fake-parser'
 
@@ -12,3 +12,7 @@ fileTypes: [
 
 scopes:
   'class > identifier': 'entity.name.type.class'
+
+treeSitter:
+  grammar: './tree-sitter-empty.wasm'
+  highlightsQuery: './tree-sitter-empty.scm'

spec/fixtures/packages/package-with-tree-sitter-grammar/grammars/tree-sitter-empty.scm

@@ -0,0 +1 @@
+; (empty)

spec/package-manager-spec.js

@@ -1440,7 +1440,8 @@ describe('PackageManager', () => {
         await atom.packages.activatePackage('package-with-tree-sitter-grammar');
         const grammar = atom.grammars.selectGrammar('test.somelang');
         expect(grammar.name).toBe('Some Language');
-        expect(grammar.languageModule.isFakeTreeSitterParser).toBe(true);
+        await grammar.getQuery('highlightsQuery');
+        expect(grammar.highlightsQuery.includes('(empty)')).toBe(true);
       });
     });