Disable swangle webgl test

High flaky rate for:
  conformance/context/context-eviction-with-garbage-collection.html

Bug: 337665166
Change-Id: I2b1edcfb361cbb2b8e340b52fc5ef37b41d8ef74
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5496139
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Commit-Queue: Jonathan Ross <jonross@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1293929}
diff --git a/content/test/gpu/gpu_tests/test_expectations/webgl_conformance_expectations.txt b/content/test/gpu/gpu_tests/test_expectations/webgl_conformance_expectations.txt
index 2956ce5..85b1f37 100644
--- a/content/test/gpu/gpu_tests/test_expectations/webgl_conformance_expectations.txt
+++ b/content/test/gpu/gpu_tests/test_expectations/webgl_conformance_expectations.txt
@@ -564,6 +564,9 @@
 crbug.com/1271688 [ linux angle-vulkan passthrough nvidia ] conformance/ogles/GL/mod/mod_001_to_008.html [ Failure ]
 crbug.com/1271688 [ linux angle-vulkan passthrough nvidia ] conformance/ogles/GL/pow/pow_017_to_024.html [ Failure ]
 
+## Linux Swangle
+crbug.com/337665166 [ linux angle-swiftshader passthrough release ] conformance/context/context-eviction-with-garbage-collection.html [ Failure ]
+
 
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 # Android failures #