linux下对字符串转换的不识别'${str}'.rindex('}') + 1

调整为：${testStr1}      Catenate    '''    ${str}       '''
    ${testIndex3}    Evaluate    ${testStr1}.rindex(

windows、linux下测试通过。

02-Keyword/tsg_cli/Interface.robot

@@ -384,9 +384,22 @@ Run1_B
     Should Contain    ${r}    Success
     ${str}    Replace String    ${r}    ${\n}    -
     ${str}    Replace String    ${str}    '    \\'
-    ${index}    Evaluate    '${str}'.rindex('}') + 1
-    ${len}    Convert To Integer    ${index}    
-    ${json}    Evaluate    '${str}'[0:${len}]
+    #${index}    Evaluate    '${str}'.rindex('}') + 1
+    #${len}    Convert To Integer    ${index}    
+    #${json}    Evaluate    '${str}'[0:${len}]
+    
+    #${testStr}      Catenate    '''    ${str}       '''
+    #${testIndex3}    Evaluate    ${testStr}.rindex('}')
+    #Log    ${testIndex3}
+    #${len}    Convert To Integer    ${testIndex3}
+    #${json}    Get Substring    ${str}    0    ${len}
+    
+    ${testStr1}      Catenate    '''    ${str}       '''
+    ${testIndex3}    Evaluate    ${testStr1}.rindex('-') - 1
+    Log    ${testIndex3}
+    ${len}    Convert To Integer    ${testIndex3}
+    ${json}    Get Substring    ${str}    0    ${len}
+    Log    ${json}
     ${dict}    json.Loads    ${json}
     Should Be True    ${dict}[data][total] > 0
     [Return]    ${dict}
@@ -436,6 +449,7 @@ Run5
     Should Not Be Empty    ${r}
     #用换行符作为命令结束
     ${str}    Replace String    ${r}    ${\n}    - 
+    
     ${index}    Evaluate    '${str}'.rindex('-')
     ${len}    Convert To Integer    ${index}    
     ${json}    Evaluate    '${str}'[0:${len}]