1 files changed, 15 insertions, 6 deletions
diff --git a/test/cpp/end2end/async_end2end_test.cc b/test/cpp/end2end/async_end2end_test.cc
index 2ce3f2f7bd..f53601297c 100644
--- a/test/cpp/end2end/async_end2end_test.cc
+++ b/test/cpp/end2end/async_end2end_test.cc
@@ -228,12 +228,7 @@ class TestScenario {
       : disable_blocking(non_block),
         credentials_type(creds_type),
         message_content(content) {}
-  void Log() const {
-    gpr_log(
-        GPR_INFO,
-        "Scenario: disable_blocking %d, credentials %s, message size %" PRIuPTR,
-        disable_blocking, credentials_type.c_str(), message_content.size());
-  }
+  void Log() const;
   bool disable_blocking;
   // Although the below grpc::string's are logically const, we can't declare
   // them const because of a limitation in the way old compilers (e.g., gcc-4.4)
@@ -242,6 +237,20 @@ class TestScenario {
   grpc::string message_content;
 };
 
+static std::ostream& operator<<(std::ostream& out,
+                                const TestScenario& scenario) {
+  return out << "TestScenario{disable_blocking="
+             << (scenario.disable_blocking ? "true" : "false")
+             << ", credentials='" << scenario.credentials_type
+             << "', message_size=" << scenario.message_content.size() << "}";
+}
+
+void TestScenario::Log() const {
+  std::ostringstream out;
+  out << *this;
+  gpr_log(GPR_DEBUG, "%s", out.str().c_str());
+}
+
 class AsyncEnd2endTest : public ::testing::TestWithParam<TestScenario> {
  protected:
   AsyncEnd2endTest() { GetParam().Log(); }