diff --git a/test/emulation.spec.ts b/test/emulation.spec.ts
index 82d263ba..eb6f1b95 100644
--- a/test/emulation.spec.ts
+++ b/test/emulation.spec.ts
@@ -386,4 +386,26 @@ describe('Emulation', () => {
       expect(error.message).toBe('Unsupported vision deficiency: invalid');
     });
   });
+
+  describeFailsFirefox('Page.emulateNetworkConditions', function () {
+    it('should change navigator.connection.effectiveType', async () => {
+      const { page, puppeteer } = getTestState();
+
+      const slow3G = puppeteer.networkConditions['Slow 3G'];
+      const fast3G = puppeteer.networkConditions['Fast 3G'];
+
+      expect(
+        await page.evaluate('window.navigator.connection.effectiveType')
+      ).toBe('4g');
+      await page.emulateNetworkConditions(fast3G);
+      expect(
+        await page.evaluate('window.navigator.connection.effectiveType')
+      ).toBe('3g');
+      await page.emulateNetworkConditions(slow3G);
+      expect(
+        await page.evaluate('window.navigator.connection.effectiveType')
+      ).toBe('2g');
+      await page.emulateNetworkConditions(null);
+    });
+  });
 });
diff --git a/test/page.spec.ts b/test/page.spec.ts
index 4d3940d3..16c32766 100644
--- a/test/page.spec.ts
+++ b/test/page.spec.ts
@@ -400,28 +400,6 @@ describe('Page', function () {
     });
   });
 
-  describeFailsFirefox('Page.emulateNetworkConditions', function () {
-    it('should change navigator.connection.effectiveType', async () => {
-      const { page, puppeteer } = getTestState();
-
-      const slow3G = puppeteer.networkConditions['Slow 3G'];
-      const fast3G = puppeteer.networkConditions['Fast 3G'];
-
-      expect(
-        await page.evaluate('window.navigator.connection.effectiveType')
-      ).toBe('4g');
-      await page.emulateNetworkConditions(fast3G);
-      expect(
-        await page.evaluate('window.navigator.connection.effectiveType')
-      ).toBe('3g');
-      await page.emulateNetworkConditions(slow3G);
-      expect(
-        await page.evaluate('window.navigator.connection.effectiveType')
-      ).toBe('2g');
-      await page.emulateNetworkConditions(null);
-    });
-  });
-
   describe('ExecutionContext.queryObjects', function () {
     itFailsFirefox('should work', async () => {
       const { page } = getTestState();