fix(tests): use stable connectivity check endpoint

Replace e2b.dev with Google's connectivity check
endpoint in internet access tests for reliability.

Author: dobrac

packages/js-sdk/tests/sandbox/internetAccess.test.ts

@@ -15,10 +15,10 @@ describe('internet access enabled', () => {
     async ({ sandbox }) => {
       // Test internet connectivity by making a curl request to a reliable external site
       const result = await sandbox.commands.run(
-        "curl -s -o /dev/null -w '%{http_code}' https://e2b.dev"
+        "curl -s -o /dev/null -w '%{http_code}' https://connectivitycheck.gstatic.com/generate_204"
       )
       assert.equal(result.exitCode, 0)
-      assert.equal(result.stdout.trim(), '200')
+      assert.equal(result.stdout.trim(), '204')
     }
   )
 })
@@ -36,7 +36,7 @@ describe('internet access disabled', () => {
       // Test that internet connectivity is blocked by making a curl request
       try {
         await sandbox.commands.run(
-          'curl --connect-timeout 3 --max-time 5 -Is https://e2b.dev'
+          'curl --connect-timeout 3 --max-time 5 -Is https://connectivitycheck.gstatic.com/generate_204'
         )
         // If we reach here, the command succeeded, which means internet access is not properly disabled
         assert.fail('Expected command to fail when internet access is disabled')
@@ -55,10 +55,10 @@ describe('internet access default', () => {
     async ({ sandbox }) => {
       // Test internet connectivity by making a curl request to a reliable external site
       const result = await sandbox.commands.run(
-        "curl -s -o /dev/null -w '%{http_code}' https://e2b.dev"
+        "curl -s -o /dev/null -w '%{http_code}' https://connectivitycheck.gstatic.com/generate_204"
       )
       assert.equal(result.exitCode, 0)
-      assert.equal(result.stdout.trim(), '200')
+      assert.equal(result.stdout.trim(), '204')
     }
   )
 })

packages/python-sdk/tests/async/sandbox_async/test_internet_access.py

@@ -10,10 +10,10 @@ async def test_internet_access_enabled(async_sandbox_factory):
 
     # Test internet connectivity by making a curl request to a reliable external site
     result = await sbx.commands.run(
-        "curl -s -o /dev/null -w '%{http_code}' https://e2b.dev"
+        "curl -s -o /dev/null -w '%{http_code}' https://connectivitycheck.gstatic.com/generate_204"
     )
     assert result.exit_code == 0
-    assert result.stdout.strip() == "200"
+    assert result.stdout.strip() == "204"
 
 
 @pytest.mark.skip_debug()
@@ -24,7 +24,7 @@ async def test_internet_access_disabled(async_sandbox_factory):
     # Test that internet connectivity is blocked by making a curl request
     with pytest.raises(CommandExitException) as exc_info:
         await sbx.commands.run(
-            "curl --connect-timeout 3 --max-time 5 -Is https://e2b.dev"
+            "curl --connect-timeout 3 --max-time 5 -Is https://connectivitycheck.gstatic.com/generate_204"
         )
         # The command should fail or timeout when internet access is disabled
     assert exc_info.value.exit_code != 0
@@ -36,7 +36,7 @@ async def test_internet_access_default(async_sandbox):
     # Test internet connectivity by making a curl request to a reliable external site
 
     result = await async_sandbox.commands.run(
-        "curl -s -o /dev/null -w '%{http_code}' https://e2b.dev"
+        "curl -s -o /dev/null -w '%{http_code}' https://connectivitycheck.gstatic.com/generate_204"
     )
     assert result.exit_code == 0
-    assert result.stdout.strip() == "200"
+    assert result.stdout.strip() == "204"

packages/python-sdk/tests/sync/sandbox_sync/test_internet_access.py

@@ -9,9 +9,9 @@ def test_internet_access_enabled(sandbox_factory):
     sbx = sandbox_factory(allow_internet_access=True)
 
     # Test internet connectivity by making a curl request to a reliable external site
-    result = sbx.commands.run("curl -s -o /dev/null -w '%{http_code}' https://e2b.dev")
+    result = sbx.commands.run("curl -s -o /dev/null -w '%{http_code}' https://connectivitycheck.gstatic.com/generate_204")
     assert result.exit_code == 0
-    assert result.stdout.strip() == "200"
+    assert result.stdout.strip() == "204"
 
 
 @pytest.mark.skip_debug()
@@ -21,7 +21,7 @@ def test_internet_access_disabled(sandbox_factory):
 
     # Test that internet connectivity is blocked by making a curl request
     with pytest.raises(CommandExitException) as exc_info:
-        sbx.commands.run("curl --connect-timeout 3 --max-time 5 -Is https://e2b.dev")
+        sbx.commands.run("curl --connect-timeout 3 --max-time 5 -Is https://connectivitycheck.gstatic.com/generate_204")
         # The command should fail or timeout when internet access is disabled
     assert exc_info.value.exit_code != 0
 
@@ -32,7 +32,7 @@ def test_internet_access_default(sandbox):
 
     # Test internet connectivity by making a curl request to a reliable external site
     result = sandbox.commands.run(
-        "curl -s -o /dev/null -w '%{http_code}' https://e2b.dev"
+        "curl -s -o /dev/null -w '%{http_code}' https://connectivitycheck.gstatic.com/generate_204"
     )
     assert result.exit_code == 0
-    assert result.stdout.strip() == "200"
+    assert result.stdout.strip() == "204"