Intermittent test - TestSpanReader_multiRead_followUp_query

[jpkrohling]

The test TestSpanReader_multiRead_followUp_query is intermittently failing. I spotted this for the PR #1668, which isn't touching any Go code at all.

--- FAIL: TestSpanReader_multiRead_followUp_query (0.00s)
    reader_test.go:279: 
        	Error Trace:	reader_test.go:279
        	            				reader_test.go:105
        	            				reader_test.go:209
        	Error:      	Not equal: 
        	            	expected: &model.Span{TraceID:model.TraceID{Low:0x2, High:0x0}, SpanID:0x0, OperationName:"", References:[]model.SpanRef{}, Flags:0x0, StartTime:time.Time{wall:0x3b93dc90, ext:63700183028, loc:(*time.Location)(nil)}, Duration:0, Tags:[]model.KeyValue{}, Logs:[]model.Log{}, Process:(*model.Process)(0xc000141770), ProcessID:"", Warnings:[]string(nil), XXX_NoUnkeyedLiteral:struct {}{}, XXX_unrecognized:[]uint8(nil), XXX_sizecache:0}
        	            	actual  : &model.Span{TraceID:model.TraceID{Low:0x1, High:0x0}, SpanID:0x0, OperationName:"", References:[]model.SpanRef{}, Flags:0x0, StartTime:time.Time{wall:0x3b93dc90, ext:63700183028, loc:(*time.Location)(nil)}, Duration:0, Tags:[]model.KeyValue{}, Logs:[]model.Log{}, Process:(*model.Process)(0xc0001417c0), ProcessID:"", Warnings:[]string(nil), XXX_NoUnkeyedLiteral:struct {}{}, XXX_unrecognized:[]uint8(nil), XXX_sizecache:0}
        	            	
        	            	Diff:
        	Test:       	TestSpanReader_multiRead_followUp_query
    reader_test.go:280: 
        	Error Trace:	reader_test.go:280
        	            				reader_test.go:105
        	            				reader_test.go:209
        	Error:      	Not equal: 
        	            	expected: &model.Span{TraceID:model.TraceID{Low:0x1, High:0x0}, SpanID:0x0, OperationName:"", References:[]model.SpanRef{}, Flags:0x0, StartTime:time.Time{wall:0x3b93dc90, ext:63700183028, loc:(*time.Location)(nil)}, Duration:0, Tags:[]model.KeyValue{}, Logs:[]model.Log{}, Process:(*model.Process)(0xc000141360), ProcessID:"", Warnings:[]string(nil), XXX_NoUnkeyedLiteral:struct {}{}, XXX_unrecognized:[]uint8(nil), XXX_sizecache:0}
        	            	actual  : &model.Span{TraceID:model.TraceID{Low:0x2, High:0x0}, SpanID:0x0, OperationName:"", References:[]model.SpanRef{}, Flags:0x0, StartTime:time.Time{wall:0x3b93dc90, ext:63700183028, loc:(*time.Location)(nil)}, Duration:0, Tags:[]model.KeyValue{}, Logs:[]model.Log{}, Process:(*model.Process)(0xc000141810), ProcessID:"", Warnings:[]string(nil), XXX_NoUnkeyedLiteral:struct {}{}, XXX_unrecognized:[]uint8(nil), XXX_sizecache:0}
        	            	
        	            	Diff:
        	Test:       	TestSpanReader_multiRead_followUp_query

[jpkrohling]

Also happened with #1701