Mark analyzer unit test as failing on Windows

R=whesse@google.com

Change-Id: I4c20ca6aef3057a14e4930725dca80a13729a2c8
Reviewed-on: https://dart-review.googlesource.com/6468
Commit-Queue: Karl Klose <karlklose@google.com>
Reviewed-by: William Hesse <whesse@google.com>
diff --git a/pkg/pkg.status b/pkg/pkg.status
index 96e9ad1af..70e9307 100644
--- a/pkg/pkg.status
+++ b/pkg/pkg.status
@@ -86,6 +86,7 @@
 analyzer/test/src/task/strong/front_end_inference_test: Pass, Slow
 
 [ $runtime == vm && $checked && $system == windows ]
+analyzer/test/generated/non_error_resolver_kernel_test: RuntimeError # Issue 30785
 front_end/tool/perf_test: Slow, Pass
 
 [ $runtime == vm && $use_sdk ]