Give Blockly div in tests a height. (#4207)
Give Blockly div in tests a height. (#4207)


google/blockly,mark-friedman/blockly,mark-friedman/blockly,mark-friedman/blockly,mark-friedman/blockly,google/blockly,google/blockly,rachel-fenichel/blockly,rachel-fenichel/blockly,google/blockly,mark-friedman/blockly,mark-friedman/blockly,google/blockly,google/blockly,rachel-fenichel/blockly,rachel-fenichel/blockly,rachel-fenichel/blockly,rachel-fenichel/blockly,google/blockly,rachel-fenichel/blockly