clean up tests

Confirm that no path ops tests are flaky, and clean up errors around
that. The test framework was incorrectly checking for >= MAX_ERRORS for
failure and <= MAX_ERRORS for success.

TBR=reed@google.com

Review URL: https://codereview.chromium.org/1140563003
diff --git a/tests/PathOpsOpLoopThreadedTest.cpp b/tests/PathOpsOpLoopThreadedTest.cpp
index d8689bf..3f6d081 100755
--- a/tests/PathOpsOpLoopThreadedTest.cpp
+++ b/tests/PathOpsOpLoopThreadedTest.cpp
@@ -85,7 +85,7 @@
         if (progress) {
             outputProgress(state.fPathStr, pathStr, kIntersect_SkPathOp);
         }
-        testThreadedPathOp(state.fReporter, pathA, pathB, kIntersect_SkPathOp, "loops");
+        testPathOp(state.fReporter, pathA, pathB, kIntersect_SkPathOp, "loops");
                 }
             }
         }