Increase loss tolerance for RenegotiateManyVideo test.

Also switch to "LT(meaured, limit)" format as this is easier to read.

There have been bot runs that exceeded the old limit.

Bug: webrtc:13354
Change-Id: I1c19c98e1c1777177e7dc14ae4679765c1c40550
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/237342
Reviewed-by: Björn Terelius <terelius@webrtc.org>
Commit-Queue: Harald Alvestrand <hta@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#35317}
diff --git a/pc/test/integration_test_helpers.h b/pc/test/integration_test_helpers.h
index a978eda..6c60ba8 100644
--- a/pc/test/integration_test_helpers.h
+++ b/pc/test/integration_test_helpers.h
@@ -659,15 +659,15 @@
     // Concealing more than 20% of samples during a renegotiation is
     // unacceptable.
     // Worst bots:
-    // linux_more_configs bot at conceal rate 0.516
-    // linux_x86_dbg bot at conceal rate 0.854
+    // Nondebug: Linux32 Release at conceal rate 0.606597 (CI run)
+    // Debug: linux_x86_dbg bot at conceal rate 0.854
     if (delta_samples > 0) {
 #if !defined(NDEBUG)
-      EXPECT_GT(0.95, 1.0 * delta_concealed / delta_samples)
+      EXPECT_LT(1.0 * delta_concealed / delta_samples, 0.95)
           << "Concealed " << delta_concealed << " of " << delta_samples
           << " samples";
 #else
-      EXPECT_GT(0.6, 1.0 * delta_concealed / delta_samples)
+      EXPECT_LT(1.0 * delta_concealed / delta_samples, 0.7)
           << "Concealed " << delta_concealed << " of " << delta_samples
           << " samples";
 #endif