webkit_unit_tests failing on chromium.webkit/WebKit Android (Nexus4)
Starting from build #63608 WebKit Android (Nexus4) Builder fails consistently on webkit_unit_tests
NonCompositedMainThreadScrollingReasonRecordTest.NestedScrollersTest:
https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Android%20%28Nexus4%29
Culprit likely lies in range r464061 ... r464077 (https://test-results.appspot.com/revision_range?start=464061&end=464077), could be r464073.
Log Snippet:
C 123.247s Main ********************************************************************************
C 123.247s Main Detailed Logs
C 123.247s Main ********************************************************************************
C 123.251s Main [FAIL] NonCompositedMainThreadScrollingReasonRecordTest.NestedScrollersTest:
C 123.251s Main [ RUN ] NonCompositedMainThreadScrollingReasonRecordTest.NestedScrollersTest
C 123.251s Main ../../base/test/histogram_tester.cc:155: Failure
C 123.251s Main Value of: actual_count
C 123.251s Main Actual: 0
C 123.251s Main Expected: expected_count
C 123.251s Main Which is: 1
C 123.251s Main Histogram "Renderer4.MainThreadWheelScrollReason" does not have the right number of samples (1) in the expected bucket (17). It has (0).
C 123.251s Main ../../base/test/histogram_tester.cc:170: Failure
C 123.251s Main Value of: actual_count
C 123.251s Main Actual: 2
C 123.251s Main Expected: expected_count
C 123.251s Main Which is: 3
C 123.251s Main Histogram "Renderer4.MainThreadWheelScrollReason" does not have the right total number of samples (3). It has (2).
C 123.251s Main [ FAILED ] NonCompositedMainThreadScrollingReasonRecordTest.NestedScrollersTest (31 ms)
Comment 1 by bugdroid1@chromium.org
, Apr 13 2017