acceptance: rename StartBlockingProxy to StartRejectingProxy

Co-authored-by: Denis Bilenko <denis.bilenko@databricks.com>

Author: denik

acceptance/acceptance_test.go

@@ -333,7 +333,7 @@ func testAccept(t *testing.T, inprocessMode bool, singleTest string) int {
 	const sharedProxyHint = "; re-run with -debugsandbox to see which test caused this"
 	sandboxProxyURL := ""
 	if cloudEnv == "" && !DebugSandbox {
-		sandboxProxyURL = internal.StartBlockingProxy(t, sharedProxyHint)
+		sandboxProxyURL = internal.StartRejectingProxy(t, sharedProxyHint)
 	}
 
 	setReplsForTestEnvVars(t, &repls)
@@ -771,7 +771,7 @@ func runTest(t *testing.T,
 		if DebugSandbox {
 			// Per-test proxy: errors are attributed to this subtest's t, making
 			// it immediately clear which test caused the internet access.
-			proxyURL = internal.StartBlockingProxy(t, "")
+			proxyURL = internal.StartRejectingProxy(t, "")
 		}
 		// Only block HTTPS: the local test server is plain HTTP (http://127.0.0.1:PORT)
 		// so HTTP_PROXY would intercept its traffic. All real external calls use HTTPS.

acceptance/internal/rejecting_proxy.go

@@ -9,7 +9,7 @@ import (
 	"testing"
 )
 
-// StartBlockingProxy starts an HTTP proxy server bound to a loopback port and
+// StartRejectingProxy starts an HTTP proxy server bound to a loopback port and
 // returns its URL for use as HTTPS_PROXY. Every proxied request receives a
 // 400 Bad Request response so the client gets a clear HTTP error instead of a
 // TCP reset (a reset would trigger the SDK's 5-minute retry loop).
@@ -21,7 +21,7 @@ import (
 // hint is appended to the t.Errorf message for real hosts. Pass a non-empty
 // hint when using a shared proxy to tell the user how to get per-test
 // attribution (e.g. "re-run with -debugsandbox").
-func StartBlockingProxy(t *testing.T, hint string) string {
+func StartRejectingProxy(t *testing.T, hint string) string {
 	ln, err := net.Listen("tcp", "127.0.0.1:0")
 	if err != nil {
 		t.Fatalf("blocking proxy: listen: %v", err)