diff --git a/exercises/bob/bob_test.py b/exercises/bob/bob_test.py
index c729da3577..e38c352862 100644
--- a/exercises/bob/bob_test.py
+++ b/exercises/bob/bob_test.py
@@ -1,123 +1,99 @@
-# -*- coding: utf-8 -*-
-
-from __future__ import unicode_literals
 import unittest
 
 import bob
 
 
-class BobTests(unittest.TestCase):
+# test cases adapted from `x-common//canonical-data.json` @ version: 1.0.0
 
+class BobTests(unittest.TestCase):
     def test_stating_something(self):
-        self.assertEqual(
-            'Whatever.',
-            bob.hey('Tom-ay-to, tom-aaaah-to.')
-        )
+        self.assertEqual(bob.hey("Tom-ay-to, tom-aaaah-to."), "Whatever.")
 
     def test_shouting(self):
-        self.assertEqual(
-            'Whoa, chill out!',
-            bob.hey('WATCH OUT!')
-        )
+        self.assertEqual(bob.hey("WATCH OUT!"), "Whoa, chill out!")
+
+    def test_shouting_gibberish(self):
+        self.assertEqual(bob.hey("FCECDFCAAB"), "Whoa, chill out!")
 
     def test_asking_a_question(self):
         self.assertEqual(
-            'Sure.',
-            bob.hey('Does this cryogenic chamber make me look fat?')
-        )
+            bob.hey("Does this cryogenic chamber make me look fat?"), "Sure.")
 
     def test_asking_a_numeric_question(self):
-        self.assertEqual(
-            'Sure.',
-            bob.hey('You are, what, like 15?')
-        )
+        self.assertEqual(bob.hey("You are, what, like 15?"), "Sure.")
+
+    def test_asking_gibberish(self):
+        self.assertEqual(bob.hey("fffbbcbeab?"), "Sure.")
 
     def test_talking_forcefully(self):
         self.assertEqual(
-            'Whatever.',
-            bob.hey("Let's go make out behind the gym!")
-        )
+            bob.hey("Let's go make out behind the gym!"), "Whatever.")
 
     def test_using_acronyms_in_regular_speech(self):
         self.assertEqual(
-            'Whatever.', bob.hey("It's OK if you don't want to go to the DMV.")
-        )
+            bob.hey("It's OK if you don't want to go to the DMV."),
+            "Whatever.")
 
-    def test_forceful_questions(self):
+    def test_forceful_question(self):
         self.assertEqual(
-            'Whoa, chill out!', bob.hey('WHAT THE HELL WERE YOU THINKING?')
-        )
+            bob.hey("WHAT THE HELL WERE YOU THINKING?"), "Whoa, chill out!")
 
     def test_shouting_numbers(self):
-        self.assertEqual(
-            'Whoa, chill out!', bob.hey('1, 2, 3 GO!')
-        )
+        self.assertEqual(bob.hey("1, 2, 3 GO!"), "Whoa, chill out!")
 
     def test_only_numbers(self):
-        self.assertEqual(
-            'Whatever.', bob.hey('1, 2, 3')
-        )
+        self.assertEqual(bob.hey("1, 2, 3"), "Whatever.")
 
     def test_question_with_only_numbers(self):
-        self.assertEqual(
-            'Sure.', bob.hey('4?')
-        )
+        self.assertEqual(bob.hey("4?"), "Sure.")
 
     def test_shouting_with_special_characters(self):
         self.assertEqual(
-            'Whoa, chill out!',
-            bob.hey('ZOMG THE %^*@#$(*^ ZOMBIES ARE COMING!!11!!1!')
-        )
-
-    def test_shouting_with_umlauts(self):
-        self.assertEqual(
-            'Whoa, chill out!', bob.hey('ÜMLÄÜTS!')
-        )
-
-    def test_calmly_speaking_with_umlauts(self):
-        self.assertEqual(
-            'Whatever.', bob.hey('ÜMLäÜTS!')
-        )
+            bob.hey("ZOMG THE %^*@#$(*^ ZOMBIES ARE COMING!!11!!1!"),
+            "Whoa, chill out!")
 
     def test_shouting_with_no_exclamation_mark(self):
-        self.assertEqual(
-            'Whoa, chill out!', bob.hey('I HATE YOU')
-        )
+        self.assertEqual(bob.hey("I HATE YOU"), "Whoa, chill out!")
 
     def test_statement_containing_question_mark(self):
         self.assertEqual(
-            'Whatever.', bob.hey('Ending with ? means a question.')
-        )
+            bob.hey("Ending with ? means a question."), "Whatever.")
+
+    def test_non_letters_with_question(self):
+        self.assertEqual(bob.hey(":) ?"), "Sure.")
 
     def test_prattling_on(self):
         self.assertEqual(
-            'Sure.', bob.hey("Wait! Hang on. Are you going to be OK?")
-        )
+            bob.hey("Wait! Hang on. Are you going to be OK?"), "Sure.")
 
     def test_silence(self):
-        self.assertEqual(
-            'Fine. Be that way!', bob.hey('')
-        )
+        self.assertEqual(bob.hey(""), "Fine. Be that way!")
 
     def test_prolonged_silence(self):
-        self.assertEqual(
-            'Fine. Be that way!', bob.hey('    \t')
-        )
+        self.assertEqual(bob.hey("          "), "Fine. Be that way!")
+
+    def test_alternate_silence(self):
+        self.assertEqual(bob.hey("\t\t\t\t\t\t\t\t\t\t"), "Fine. Be that way!")
 
-    def test_starts_with_whitespace(self):
+    def test_multiple_line_question(self):
         self.assertEqual(
-            'Whatever.', bob.hey('         hmmmmmmm...')
-        )
+            bob.hey("\nDoes this cryogenic chamber make me look fat?\nno"),
+            "Whatever.")
 
-    def test_ends_with_whitespace(self):
+    def test_starting_with_whitespace(self):
+        self.assertEqual(bob.hey("         hmmmmmmm..."), "Whatever.")
+
+    def test_ending_with_whitespace(self):
         self.assertEqual(
-            'Sure.', bob.hey('What if we end with whitespace?   ')
-        )
+            bob.hey("Okay if like my  spacebar  quite a bit?   "), "Sure.")
+
+    def test_other_whitespace(self):
+        self.assertEqual(bob.hey("\n\r \t"), "Fine. Be that way!")
 
-    def test_non_question_ends_with_whitespace(self):
+    def test_non_question_ending_with_whitespace(self):
         self.assertEqual(
-            'Whatever.', bob.hey('This is a statement with trailing whitespace   ')
-        )
+            bob.hey("This is a statement ending with whitespace      "),
+            "Whatever.")
 
 
 if __name__ == '__main__':