diff --git a/src/go.chromium.org/tast/core/cmd/tast-lint/internal/git/git_test.go b/src/go.chromium.org/tast/core/cmd/tast-lint/internal/git/git_test.go
index 165e05b..485044e 100644
--- a/src/go.chromium.org/tast/core/cmd/tast-lint/internal/git/git_test.go
+++ b/src/go.chromium.org/tast/core/cmd/tast-lint/internal/git/git_test.go
@@ -156,7 +156,7 @@
 		{git.Added, symlinkName},
 		{git.Modified, testName},
 	}; !reflect.DeepEqual(fns, exp) {
-		t.Errorf("ChangedFiles() = %q; want %q", fns, exp)
+		t.Errorf("ChangedFiles() = %v; want %v", fns, exp)
 	}
 }
 
diff --git a/src/go.chromium.org/tast/core/cmd/tast/internal/run/config/config_test.go b/src/go.chromium.org/tast/core/cmd/tast/internal/run/config/config_test.go
index 9ba89b7..9cf98b5 100644
--- a/src/go.chromium.org/tast/core/cmd/tast/internal/run/config/config_test.go
+++ b/src/go.chromium.org/tast/core/cmd/tast/internal/run/config/config_test.go
@@ -413,7 +413,7 @@
 				t.Fatalf(`Unexpected error in %s: %s`, tc.name, err.Error())
 			}
 			if got := cfg.DebuggerPorts; !reflect.DeepEqual(got, tc.want) {
-				t.Errorf("cfg.DebuggerPorts = %q; want %q", got, tc.want)
+				t.Errorf("cfg.DebuggerPorts = %v; want %v", got, tc.want)
 			}
 		}
 	}
diff --git a/src/go.chromium.org/tast/core/internal/devserver/pseudo_test.go b/src/go.chromium.org/tast/core/internal/devserver/pseudo_test.go
index 246fa14..01427c4 100644
--- a/src/go.chromium.org/tast/core/internal/devserver/pseudo_test.go
+++ b/src/go.chromium.org/tast/core/internal/devserver/pseudo_test.go
@@ -87,6 +87,6 @@
 		t.Error("Get failed: ", err)
 	}
 	if resp.StatusCode != 404 {
-		t.Errorf("Get returned %q; want %q", resp.Status, 404)
+		t.Errorf("Get returned %v; want %v", resp.Status, 404)
 	}
 }