maint: Update tests for Jest 30.

Author: thet

src/lib/depends_parse.test.js

@@ -30,7 +30,7 @@ describe("Depedency expression parser", function () {
         it("Can not do order comparison to string", function () {
             expect(function () {
                 parser.parse("foo<bar");
-            }).toThrowError('Expected number or whitespace but "b" found.');
+            }).toThrow('Expected number or whitespace but "b" found.');
         });
 
         it("Equality comparison with string", function () {

src/pat/gallery/gallery.test.js

@@ -31,7 +31,13 @@ describe("pat-gallery", function () {
             const instance = new pattern(el);
 
             const spy_init_trigger = jest.spyOn(instance, "initialize_trigger");
-            const spy_init_gallery = jest.spyOn(instance, "initialize_gallery");
+
+            // Create a spy that prevents the actual PhotoSwipe initialization
+            const spy_init_gallery = jest.spyOn(instance, "initialize_gallery").mockImplementation((e) => {
+                e.preventDefault();
+                // Just return without initializing PhotoSwipe
+                return;
+            });
 
             await utils.timeout(1);
 
@@ -63,7 +69,13 @@ describe("pat-gallery", function () {
             const instance = new pattern(el);
 
             const spy_init_trigger = jest.spyOn(instance, "initialize_trigger");
-            const spy_init_gallery = jest.spyOn(instance, "initialize_gallery");
+
+            // Create a spy that prevents the actual PhotoSwipe initialization
+            const spy_init_gallery = jest.spyOn(instance, "initialize_gallery").mockImplementation((e) => {
+                e.preventDefault();
+                // Just return without initializing PhotoSwipe
+                return;
+            });
 
             await utils.timeout(1);