Added tests of the text feature

tests/TestCadQuery.py

@@ -1800,3 +1800,17 @@ class TestCadQuery(BaseTest):
 
         # The obj1 shape shall have the same volume as the obj2 shape.
         self.assertAlmostEqual(obj1.val().Volume(), obj2.val().Volume())
+        
+    def testText(self):
+      
+        box = Workplane("XY" ).box(4, 4, 0.5)
+        
+        obj1 = box.faces('>Z').workplane().text('CQ 2.0',0.5,-.05,cut=True)
+        
+        #combined object should have smaller volume
+        self.assertGreater(box.val().Volume(),obj1.val().Volume())
+        
+        obj2 = box.faces('>Z').workplane().text('CQ 2.0',0.5,.05,cut=False,combine=True)
+        #combined object should have bigger volume
+        self.assertLess(box.val().Volume(),obj2.val().Volume())
+