Test GrContextOptions persistent cache on linux/quadrop400 bots.

Change-Id: I181ed6d294774a9c6886fde8252bfdde99adc572
Reviewed-on: https://skia-review.googlesource.com/140982
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
diff --git a/dm/DMSrcSink.cpp b/dm/DMSrcSink.cpp
index d524b1b..4f139eb 100644
--- a/dm/DMSrcSink.cpp
+++ b/dm/DMSrcSink.cpp
@@ -1653,7 +1653,7 @@
     if (!refErr.isEmpty()) {
         return refErr;
     }
-    SkASSERT(memoryCache.numCacheMisses());
+    SkASSERT(!memoryCache.numCacheMisses());
 
     return compare_bitmaps(reference, *dst);
 }