ok, make tests really work
ok, make tests really work

Here's how things work now:
    ~/skia (tests)> ninja -C out ok; and out/ok test
    ninja: Entering directory `out'
    [2/2] link ok
    112 ok../tests/TestConfigParsing.cpp:336
    configs[i]->getBackend().equals(expectedConfigs[i].backend)
    211 ok, 1 failed../tests/ShadowUtilsTest.cpp:25    Expected shadow
    tessellation to fail but it did not.
    ../tests/ShadowUtilsTest.cpp:30    Expected shadow tessellation to fail but it did not.
    ../tests/ShadowUtilsTest.cpp:36    Expected shadow tessellation to fail but it did not.
    ../tests/ShadowUtilsTest.cpp:42    Expected shadow tessellation to fail but it did not.
    637 ok, 2 failed

Change-Id: I84b108d4fabb538a2674831dd1ca64b149d7d265
Reviewed-on: https://skia-review.googlesource.com/10209
Reviewed-by: Mike Klein <14574f09dfa9b4e14759b88c3426a495a0e627b0@chromium.org>
Commit-Queue: Mike Klein <14574f09dfa9b4e14759b88c3426a495a0e627b0@chromium.org>

HalCanary/skia-hc,rubenvb/skia,aosp-mirror/platform_external_skia,Hikari-no-Tenshi/android_external_skia,google/skia,Hikari-no-Tenshi/android_external_skia,rubenvb/skia,HalCanary/skia-hc,HalCanary/skia-hc,HalCanary/skia-hc,google/skia,aosp-mirror/platform_external_skia,google/skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,HalCanary/skia-hc,Hikari-no-Tenshi/android_external_skia,rubenvb/skia,google/skia,rubenvb/skia,google/skia,google/skia,Hikari-no-Tenshi/android_external_skia,aosp-mirror/platform_external_skia,Hikari-no-Tenshi/android_external_skia,rubenvb/skia,rubenvb/skia,HalCanary/skia-hc,rubenvb/skia,google/skia,HalCanary/skia-hc,HalCanary/skia-hc,google/skia,HalCanary/skia-hc,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,google/skia,aosp-mirror/platform_external_skia,google/skia,aosp-mirror/platform_external_skia,Hikari-no-Tenshi/android_external_skia,HalCanary/skia-hc,rubenvb/skia,Hikari-no-Tenshi/android_external_skia,rubenvb/skia,Hikari-no-Tenshi/android_external_skia,aosp-mirror/platform_external_skia,rubenvb/skia