More run tests

test/simple_source/bug36/00_if_elif.py

@@ -1,3 +1,4 @@
+# Self-checking test.
 # Python 3 bug in not detecting the end bounds of if elif.
 def testit(b):
     if b == 1:

test/simple_source/bug36/01_fstring.py

@@ -1,4 +1,5 @@
-# Self-checking 3.6+ string interpolation tests
+# Self-checking test.
+# String interpolation tests
 
 var1 = 'x'
 var2 = 'y'

test/simple_source/looping/10_for.py

@@ -1,6 +1,10 @@
+# Self-checking test.
 # Tests:
-#  forstmt ::= SETUP_LOOP expr _for store
-#              for_block POP_BLOCK COME_FROM
+#  for ::= SETUP_LOOP expr for_iter store
+#          for_block POP_BLOCK COME_FROM
+# In 3.8+
+#  for ::= expr for_iter store
+#          for_block POP_BLOCK COME_FROM
 
 c = 0
 for a in [1]:

test/simple_source/operation_logic/10_mixed_boolean.py

@@ -1,12 +1,24 @@
+# Self-checking test.
 b = True
+assert b, 'b = True'
 c = False
+assert not c, 'c = False'
 d = True
 a = b and c or d
+assert a, 'b and c or d'
 a = (b or c) and d
+assert a, '(b or c) and d'
 a = b or c or d
+assert  a, 'b or c or d'
 a = b and c and d
+assert not a, 'b and c and d'
 a = b or c and d
+assert a
 a = b and (c or d)
+assert a
 a = b and c or d
+assert a
 a = (b or c and d) and b
+assert a
 a = (b or c and d or a) and b
+assert a