Remove inaccurate description. Per #51, spark sql does not support

escaping a single quote with a second single quote.

Signed-off-by: Jesse Whitehouse <[email protected]>

Author: Jesse Whitehouse

tests/unit/test_param_escaper.py

@@ -24,14 +24,16 @@ def test_escape_string_normal(self):
 
         assert pe.escape_string("golly bob howdy") == "'golly bob howdy'"
 
-    def test_escape_string_that_includes_quotes(self):
-        # Databricks queries support just one special character: a single quote mark
-        # These are escaped by doubling: 
+    def test_escape_string_that_includes_single_quotes(self):
         # e.g. INPUT: his name was 'robert palmer'
         # e.g. OUTPUT: 'his name was ''robert palmer'''
 
         assert pe.escape_string("his name was 'robert palmer'") == "'his name was ''robert palmer'''"
 
+    def test_escape_string_that_includes_special_characters(self):
+
+        assert pe.escape_string("his name was 'robert palmer'") == "'his name was ''robert palmer'''"
+
     def test_escape_date_time(self):
         INPUT = datetime(1991,8,3,21,55)
         OUTPUT = "1991-08-03 21:55:00"