diff --git a/test/end_to_end_test.cc b/test/end_to_end_test.cc
index 13d349f..77328b6 100644
--- a/test/end_to_end_test.cc
+++ b/test/end_to_end_test.cc
@@ -57,7 +57,7 @@
   return os << "TestVideoParam { filename:" << test_arg.filename
             << " input_bit_depth:" << test_arg.input_bit_depth
             << " fmt:" << test_arg.fmt << " bit_depth:" << test_arg.bit_depth
-            << " profile:" << test_arg.profile << "}";
+            << " profile:" << test_arg.profile << " }";
 }
 
 const TestVideoParam kTestVectors[] = {
diff --git a/test/horz_superres_test.cc b/test/horz_superres_test.cc
index c97cefb..d731ab5 100644
--- a/test/horz_superres_test.cc
+++ b/test/horz_superres_test.cc
@@ -40,6 +40,14 @@
   double psnr_threshold;
 } TestVideoParam;
 
+std::ostream &operator<<(std::ostream &os, const TestVideoParam &test_arg) {
+  return os << "TestVideoParam { filename:" << test_arg.filename
+            << " fmt:" << test_arg.fmt << " bit_depth:" << test_arg.bit_depth
+            << " profile:" << test_arg.profile << " limit:" << test_arg.limit
+            << " screen_content:" << test_arg.screen_content
+            << " psnr_threshold:" << test_arg.psnr_threshold << " }";
+}
+
 const TestVideoParam kTestVideoVectors[] = {
   { "park_joy_90p_8_420.y4m", AOM_IMG_FMT_I420, AOM_BITS_8, 0, 5, 0, 25.5 },
 #if CONFIG_AV1_HIGHBITDEPTH
diff --git a/test/rt_end_to_end_test.cc b/test/rt_end_to_end_test.cc
index 8490efe..90f7ccb 100644
--- a/test/rt_end_to_end_test.cc
+++ b/test/rt_end_to_end_test.cc
@@ -55,7 +55,7 @@
   return os << "TestVideoParam { filename:" << test_arg.filename
             << " input_bit_depth:" << test_arg.input_bit_depth
             << " fmt:" << test_arg.fmt << " bit_depth:" << test_arg.bit_depth
-            << " profile:" << test_arg.profile << "}";
+            << " profile:" << test_arg.profile << " }";
 }
 
 const TestVideoParam kTestVectors[] = {