fix(runtime): unblock canceled MicroSandbox input streams

.github/workflows/pr-ci.yml

@@ -723,6 +723,15 @@ jobs:
             test-timeout: 1200s
             job-timeout-minutes: 25
 
+          - label: up-provider-microsandbox-logs-cancel
+            runner: ubuntu-latest
+            free-disk-space: false
+            install-kind: false
+            requires-secret: false
+            install-microsandbox: true
+            test-timeout: 1200s
+            job-timeout-minutes: 25
+
           # Snapshot tests
 
           - label: snapshot

e2e/e2e_suite_test.go

@@ -6,6 +6,7 @@ import (
 	"testing"
 	"time"
 
+	"github.com/devsy-org/devsy/cmd"
 	"github.com/devsy-org/devsy/e2e/framework"
 	// Register tests.
 	_ "github.com/devsy-org/devsy/e2e/tests/build"
@@ -43,6 +44,15 @@ import (
 	"github.com/onsi/gomega"
 )
 
+func TestMain(m *testing.M) {
+	// The external runtime self-execs this test binary as the real supervisor.
+	if len(os.Args) > 2 && os.Args[1] == "internal" && os.Args[2] == "runtime-supervisor" {
+		cmd.Execute()
+		return
+	}
+	os.Exit(m.Run())
+}
+
 // TestRunE2ETests checks configuration parameters (specified through flags) and then runs
 // E2E tests using the Ginkgo runner.
 // If a "report directory" is specified, one or more JUnit test reports will be