protected void assertCellString(String string, int row, int modelColumn) {
		Class<?> columnClass = model.getColumnClass(modelColumn);
		if (columnClass == DataTypeInstance.class) {
			DataTypeInstance dti = (DataTypeInstance) getValueAt(row, modelColumn);
			assertEquals(string, dti.getDataType().getDisplayName());
		}
		else {
			assertEquals(string, getValueAt(row, modelColumn));
		}
	}
Types the indicated string

<br>Note: Handles upper and lowercase alphabetic characters,
numeric characters, and other standard keyboard characters that are
printable characters. It also handles '\n', '\t', and '\b'.
@param str the string
Ghidra/Features/Base/src/test.slow/java/ghidra/app/plugin/core/compositeeditor/AbstractEditorTest.java