core/tests/e2e: increase timeouts

Test Plan: `bazel test core/...`

X-Origin-Diff: phab/D559
GitOrigin-RevId: de56ac720602c86fbf69e4d44634957b914ca7d0
diff --git a/core/tests/e2e/BUILD.bazel b/core/tests/e2e/BUILD.bazel
index 3e594fc..e2983bc 100644
--- a/core/tests/e2e/BUILD.bazel
+++ b/core/tests/e2e/BUILD.bazel
@@ -23,6 +23,7 @@
 
 go_test(
     name = "go_default_test",
+    size = "large",
     srcs = ["main_test.go"],
     data = [
         "//core:image",