==================== Test output for //pkg/util/collate:collate_test:
=== RUN   TestUTF8CollatorCompare
    collate_test.go:40: 
        	Error Trace:	pkg/util/collate/collate_test.go:40
        	            				pkg/util/collate/collate_test.go:81
        	Error:      	Not equal: 
        	            	expected: 0
        	            	actual  : -1
        	Test:       	TestUTF8CollatorCompare
        	Messages:   	Compare Left: a Right: a , Using utf8mb4_bin
--- FAIL: TestUTF8CollatorCompare (0.00s)
=== RUN   TestUTF8CollatorKey
    collate_test.go:50: 
        	Error Trace:	pkg/util/collate/collate_test.go:50
        	            				pkg/util/collate/collate_test.go:143
        	Error:      	Not equal: 
        	            	expected: []byte{0x61}
        	            	actual  : []byte{0x61, 0x20}
        	            	
        	            	Diff:
        	            	--- Expected
        	            	+++ Actual
        	            	@@ -1,3 +1,3 @@
        	            	-([]uint8) (len=1) {
        	            	- 00000000  61                                                |a|
        	            	+([]uint8) (len=2) {
        	            	+ 00000000  61 20                                             |a |
        	            	 }
        	Test:       	TestUTF8CollatorKey
        	Messages:   	key a , using utf8mb4_bin
--- FAIL: TestUTF8CollatorKey (0.00s)
=== RUN   TestSetNewCollateEnabled
--- PASS: TestSetNewCollateEnabled (0.00s)
=== RUN   TestRewriteAndRestoreCollationID
[2024/05/07 01:58:32.447 +00:00] [WARN] [collate.go:123] ["Unexpected negative collation ID for rewrite."] [ID=-5]
[2024/05/07 01:58:32.447 +00:00] [WARN] [collate.go:134] ["Unexpected positive collation ID for restore."] [ID=5]
--- PASS: TestRewriteAndRestoreCollationID (0.00s)
=== RUN   TestGetCollator
[2024/05/07 01:58:32.447 +00:00] [WARN] [collate.go:145] ["Unable to get collator by name, use binCollator instead."] [name=default_test] [stack="github.com/pingcap/tidb/pkg/util/collate.GetCollator\n\tpkg/util/collate/collate.go:148\ngithub.com/pingcap/tidb/pkg/util/collate.TestGetCollator\n\tpkg/util/collate/collate_test.go:180\ntesting.tRunner\n\tGOROOT/src/testing/testing.go:1595"]
[2024/05/07 01:58:32.447 +00:00] [WARN] [collate.go:179] ["Unable to get collator by ID, use binCollator instead."] [ID=9999] [stack="github.com/pingcap/tidb/pkg/util/collate.GetCollatorByID\n\tpkg/util/collate/collate.go:182\ngithub.com/pingcap/tidb/pkg/util/collate.TestGetCollator\n\tpkg/util/collate/collate_test.go:190\ntesting.tRunner\n\tGOROOT/src/testing/testing.go:1595"]
--- PASS: TestGetCollator (0.00s)
FAIL
coverage: 1.3% of statements
--
Coverage runner: Not collecting coverage for failed test.
The following commands failed with status 1
/home/jenkins/.tidb/tmp/63a9840cd0739f2c243bb46478607469/sandbox/linux-sandbox/4929/execroot/__main__/bazel-out/k8-fastbuild/bin/pkg/util/collate/collate_test_/collate_test.runfiles/__main__/pkg/util/collate/collate_test_/collate_test
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