refactor(all): add test file

data/reports/histogram/histogram2d.csv

+x,y
+1,1
+2,2
+3,4
+5,6
+6,6
+3,4

data/reports/histogram/histogram2d_flow.csv

+FLOW ID,是否启用,名称,触发条件,触发条件参数,存储模式,
+70130,TRUE,histogram2d,Manual,,Memory,
+,,,,,,
+FLOW ID,节点ID,名称,节点类型,参数,,
+70130,1,histogram2d_data,SOURCE_URL,https://shufengdong.github.io/sparrowzz/data/reports/histogram/histogram2d.csv,,
+,,,,,,
+FLOW ID,首尾节点,动作名称,DESC,动作类型,动作参数,
\ No newline at end of file

data/reports/scatter/six_traces.csv

+x1,y1
+1,2
+2,3
+3,4
+4,5
+5,6
+6,7
+7,8
+8,9
+9,10
+10,11
+10,9
+9,8
+8,7
+7,6
+6,5
+5,4
+4,3
+3,2
+2,1
+1,0
\ No newline at end of file