Fieldset NG: Add *-expected.txt for passing tests

Bug: 875235
Change-Id: I1781fe5b67fe6fe46adbff2cf9940402f3f05c23
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2336554
Commit-Queue: Kent Tamura <tkent@chromium.org>
Auto-Submit: Kent Tamura <tkent@chromium.org>
Reviewed-by: Koji Ishii <kojii@chromium.org>
Cr-Commit-Position: refs/heads/master@{#794493}

third_party/blink/web_tests/TestExpectations

@@ -1307,8 +1307,6 @@ virtual/layout_ng_fragment_traversal/external/wpt/css/CSS2/text/* [ Skip ]
 
 # Fieldset in NG
 #
-crbug.com/875235 virtual/layout_ng_fieldset/external/wpt/html/rendering/non-replaced-elements/the-fieldset-and-legend-elements/fieldset-flexbox.html [ Pass ]
-crbug.com/875235 virtual/layout_ng_fieldset/external/wpt/html/rendering/non-replaced-elements/the-fieldset-and-legend-elements/fieldset-percentage-block-size.html [ Failure ]
 crbug.com/875235 virtual/layout_ng_fieldset/external/wpt/html/rendering/non-replaced-elements/the-fieldset-and-legend-elements/legend-align.html [ Failure ]
 crbug.com/875235 virtual/layout_ng_fieldset/external/wpt/html/rendering/non-replaced-elements/the-fieldset-and-legend-elements/legend-auto-margins.html [ Failure ]
 crbug.com/875235 virtual/layout_ng_fieldset/external/wpt/html/rendering/non-replaced-elements/the-fieldset-and-legend-elements/legend-margin-inline.html [ Failure ]
@@ -3263,7 +3261,6 @@ crbug.com/626703 external/wpt/x-frame-options/multiple.sub.html [ Timeout ]
 crbug.com/367760 external/wpt/svg/pservers/reftests/meshgradient-basic-005.svg [ Failure ]
 crbug.com/367760 external/wpt/svg/pservers/reftests/meshgradient-basic-002.svg [ Failure ]
 crbug.com/367760 external/wpt/svg/pservers/reftests/meshgradient-basic-003.svg [ Failure ]
-crbug.com/875235 external/wpt/html/rendering/non-replaced-elements/the-fieldset-and-legend-elements/fieldset-flexbox.html [ Failure ]
 crbug.com/626703 external/wpt/html/rendering/non-replaced-elements/the-fieldset-and-legend-elements/legend-block-margins.html [ Failure ]
 crbug.com/626703 external/wpt/html/rendering/non-replaced-elements/the-fieldset-and-legend-elements/legend-display-rendering.html [ Failure ]
 crbug.com/626703 external/wpt/html/rendering/non-replaced-elements/the-fieldset-and-legend-elements/legend-tall.html [ Failure ]

third_party/blink/web_tests/platform/linux/external/wpt/html/rendering/non-replaced-elements/the-fieldset-and-legend-elements/fieldset-flexbox-expected.txt

+This is a testharness.js-based test.
+FAIL Flex assert_equals: height expected "20px" but got "180px"
+FAIL Inline flex assert_equals: height expected "20px" but got "180px"
+Harness: the test ran to completion.
+

third_party/blink/web_tests/platform/mac/external/wpt/html/rendering/non-replaced-elements/the-fieldset-and-legend-elements/fieldset-flexbox-expected.txt

+This is a testharness.js-based test.
+FAIL Flex assert_equals: height expected "18px" but got "162px"
+FAIL Inline flex assert_equals: height expected "18px" but got "162px"
+Harness: the test ran to completion.
+

third_party/blink/web_tests/platform/win/external/wpt/html/rendering/non-replaced-elements/the-fieldset-and-legend-elements/fieldset-flexbox-expected.txt

+This is a testharness.js-based test.
+FAIL Flex assert_equals: height expected "20px" but got "180px"
+FAIL Inline flex assert_equals: height expected "20px" but got "180px"
+Harness: the test ran to completion.
+

third_party/blink/web_tests/virtual/layout_ng_fieldset/external/wpt/html/rendering/non-replaced-elements/the-fieldset-and-legend-elements/fieldset-flexbox-expected.txt

+This is a testharness.js-based test.
+PASS Flex
+PASS Inline flex
+Harness: the test ran to completion.
+

third_party/blink/web_tests/virtual/layout_ng_fieldset/external/wpt/html/rendering/non-replaced-elements/the-fieldset-and-legend-elements/fieldset-percentage-block-size-expected.txt

+This is a testharness.js-based test.
+PASS rendered legend (writing-mode: horizontal-tb)
+PASS second legend (writing-mode: horizontal-tb)
+PASS div (writing-mode: horizontal-tb)
+PASS rendered legend (writing-mode: vertical-lr)
+PASS second legend (writing-mode: vertical-lr)
+PASS div (writing-mode: vertical-lr)
+PASS rendered legend (writing-mode: vertical-rl)
+PASS second legend (writing-mode: vertical-rl)
+PASS div (writing-mode: vertical-rl)
+Harness: the test ran to completion.
+