Fix variable_map_test and variable_model_test
Fix variable_map_test and variable_model_test

groklearning/blockly,google/blockly,mark-friedman/blockly,twodee/blockly,twodee/blockly,trodi/blockly,trinketapp/blockly,groklearning/blockly,trodi/blockly,twodee/blockly,google/blockly,jstnhuang/blockly,jstnhuang/blockly,mark-friedman/blockly,trinketapp/blockly,jstnhuang/blockly,nickmain/blockly,twodee/blockly,google/blockly,trodi/blockly,rachel-fenichel/blockly,rachel-fenichel/blockly,nickmain/blockly,twodee/blockly,picklesrus/blockly,trodi/blockly,mark-friedman/blockly,joshlory/blockly,google/blockly,picklesrus/blockly,rachel-fenichel/blockly,rachel-fenichel/blockly,mark-friedman/blockly,mark-friedman/blockly,nickmain/blockly,google/blockly,google/blockly,groklearning/blockly,rachel-fenichel/blockly,joshlory/blockly,twodee/blockly,jstnhuang/blockly,nickmain/blockly,rachel-fenichel/blockly,trinketapp/blockly,nickmain/blockly,rachel-fenichel/blockly,nickmain/blockly,joshlory/blockly,trinketapp/blockly,mark-friedman/blockly,google/blockly,groklearning/blockly,picklesrus/blockly