tests: Protect trailing spaces with "\$".

Makes it easier to see the trailing spaces in an editor, and to know that
they are intentional.

Signed-off-by: Dan Halbert <halbert@halwitz.org>

tests/cmdline/cmd_showbc.py.exp

@@ -185,7 +185,7 @@ arg names:
 58 UNARY_OP 1 __neg__
 59 STORE_FAST 9
 60 LOAD_FAST 0
-61 UNARY_OP 3 
+61 UNARY_OP 3 \$
 62 STORE_FAST 10
 63 LOAD_FAST 0
 64 LOAD_DEREF 14
@@ -206,7 +206,7 @@ arg names:
 84 LOAD_DEREF 14
 86 LOAD_FAST 1
 87 BINARY_OP 2 __eq__
-88 UNARY_OP 3 
+88 UNARY_OP 3 \$
 89 STORE_FAST 10
 90 LOAD_DEREF 14
 92 LOAD_ATTR c

tests/cmdline/cmd_showbc_const.py.exp

@@ -76,7 +76,7 @@ arg names:
 34 RAISE_OBJ
 35 DUP_TOP
 36 LOAD_NAME AttributeError
-38 BINARY_OP 8 
+38 BINARY_OP 8 \$
 39 POP_JUMP_IF_FALSE 44
 41 POP_TOP
 42 POP_EXCEPT_JUMP 45

tests/cmdline/repl_autocomplete.py.exp

@@ -11,4 +11,4 @@ Type "help()" for more information.
 >>> i.lower('ABC')
 'abc'
 >>> None.
->>> 
+>>> \$

tests/cmdline/repl_autocomplete_underscore.py.exp

@@ -1,41 +1,41 @@
 MicroPython \.\+ version
 Type "help()" for more information.
 >>> # Test REPL autocompletion filtering of underscore attributes
->>> 
+>>> \$
 >>> # Start paste mode
->>> 
+>>> \$
 paste mode; Ctrl-C to cancel, Ctrl-D to finish
-=== 
+=== \$
 === class TestClass:
 ===     def __init__(self):
 ===         self.public_attr = 1
 ===         self._private_attr = 2
 ===         self.__very_private = 3
-===     
+===     \$
 ===     def public_method(self):
 ===         pass
-===     
+===     \$
 ===     def _private_method(self):
 ===         pass
-===     
+===     \$
 ===     @property
 ===     def public_property(self):
 ===         return 42
-===     
-===     @property  
+===     \$
+===     @property  \$
 ===     def _private_property(self):
 ===         return 99
-=== 
-=== 
+=== \$
+=== \$
 >>> # Paste executed
->>> 
+>>> \$
 >>> # Create an instance
 >>> obj = TestClass()
->>> 
+>>> \$
 >>> # Test tab completion on the instance
 >>> # The tab character after `obj.` and 'a' below triggers the completions
 >>> obj.public_
 public_attr     public_method   public_property
 >>> obj.public_attr
 1
->>> 
+>>> \$

tests/cmdline/repl_autoindent.py.exp

@@ -3,20 +3,20 @@ Type "help()" for more information.
 >>> # tests for autoindent
 >>> if 1:
 ...     print(1)
-...     
-...     
-... 
+...     \$
+...     \$
+... \$
 1
 >>> if 0:
 ...      print(2)
 ... else:
 ...   print(3)
-... 
+... \$
 3
 >>> if 0:
 ...     print(4)
 ... else:
 ...     print(5)
-... 
+... \$
 5
->>> 
+>>> \$

tests/cmdline/repl_basic.py.exp

@@ -7,4 +7,4 @@ Type "help()" for more information.
 1
 >>> 2
 2
->>> 
+>>> \$

tests/cmdline/repl_cont.py.exp

@@ -54,4 +54,4 @@ two
 >>> if1 = 2
 >>> print(if1)
 2
->>> 
+>>> \$

tests/cmdline/repl_emacs_keys.py.exp

@@ -16,4 +16,4 @@ Type "help()" for more information.
 >>> t = 121
 >>> \.\+
 'foobar'
->>> 
+>>> \$

tests/cmdline/repl_inspect.py.exp

@@ -3,4 +3,4 @@ MicroPython \.\+ version
 Type "help()" for more information.
 >>> # cmdline: -i -c print("test")
 >>> # -c option combined with -i option results in REPL
->>> 
+>>> \$

tests/cmdline/repl_micropyinspect.py.exp

@@ -2,4 +2,4 @@ MicroPython \.\+ version
 Type "help()" for more information.
 >>> # cmdline: cmdline/repl_micropyinspect
 >>> # setting MICROPYINSPECT environment variable before program exit triggers REPL
->>> 
+>>> \$

tests/cmdline/repl_paste.py.exp

@@ -1,21 +1,21 @@
 MicroPython \.\+ version
 Type "help()" for more information.
 >>> # Test REPL paste mode functionality
->>> 
+>>> \$
 >>> # Basic paste mode with a simple function
->>> 
+>>> \$
 paste mode; Ctrl-C to cancel, Ctrl-D to finish
-=== 
+=== \$
 === def hello():
 ===     print('Hello from paste mode!')
 === hello()
-=== 
+=== \$
 Hello from paste mode!
->>> 
+>>> \$
 >>> # Paste mode with multiple indentation levels
->>> 
+>>> \$
 paste mode; Ctrl-C to cancel, Ctrl-D to finish
-=== 
+=== \$
 === def calculate(n):
 ===     if n > 0:
 ===         for i in range(n):
@@ -25,109 +25,109 @@ paste mode; Ctrl-C to cancel, Ctrl-D to finish
 ===                 print(f'Odd: {i}')
 ===     else:
 ===         print('n must be positive')
-=== 
+=== \$
 === calculate(5)
-=== 
+=== \$
 Even: 0
 Odd: 1
 Even: 2
 Odd: 3
 Even: 4
->>> 
+>>> \$
 >>> # Paste mode with blank lines
->>> 
+>>> \$
 paste mode; Ctrl-C to cancel, Ctrl-D to finish
-=== 
+=== \$
 === def function_with_blanks():
 ===     print('First line')
-===     
+===     \$
 ===     print('After blank line')
-===     
-===     
+===     \$
+===     \$
 ===     print('After two blank lines')
-=== 
+=== \$
 === function_with_blanks()
-=== 
+=== \$
 First line
 After blank line
 After two blank lines
->>> 
+>>> \$
 >>> # Paste mode with class definition and multiple methods
->>> 
+>>> \$
 paste mode; Ctrl-C to cancel, Ctrl-D to finish
-=== 
+=== \$
 === class TestClass:
 ===     def __init__(self, value):
 ===         self.value = value
-===     
+===     \$
 ===     def display(self):
 ===         print(f'Value is: {self.value}')
-===     
+===     \$
 ===     def double(self):
 ===         self.value *= 2
 ===         return self.value
-=== 
+=== \$
 === obj = TestClass(21)
 === obj.display()
 === print(f'Doubled: {obj.double()}')
 === obj.display()
-=== 
+=== \$
 Value is: 21
 Doubled: 42
 Value is: 42
->>> 
+>>> \$
 >>> # Paste mode with exception handling
->>> 
+>>> \$
 paste mode; Ctrl-C to cancel, Ctrl-D to finish
-=== 
+=== \$
 === try:
 ===     x = 1 / 0
 === except ZeroDivisionError:
 ===     print('Caught division by zero')
 === finally:
 ===     print('Finally block executed')
-=== 
+=== \$
 Caught division by zero
 Finally block executed
->>> 
+>>> \$
 >>> # Cancel paste mode with Ctrl-C
->>> 
+>>> \$
 paste mode; Ctrl-C to cancel, Ctrl-D to finish
-=== 
+=== \$
 === print('This should not execute')
-=== 
->>> 
->>> 
+=== \$
+>>> \$
+>>> \$
 >>> # Normal REPL still works after cancelled paste
 >>> print('Back to normal REPL')
 Back to normal REPL
->>> 
+>>> \$
 >>> # Paste mode with syntax error
->>> 
+>>> \$
 paste mode; Ctrl-C to cancel, Ctrl-D to finish
-=== 
+=== \$
 === def bad_syntax(:
 ===     print('Missing parameter')
-=== 
+=== \$
 Traceback (most recent call last):
   File "<stdin>", line 2
 SyntaxError: invalid syntax
->>> 
+>>> \$
 >>> # Paste mode with runtime error
->>> 
+>>> \$
 paste mode; Ctrl-C to cancel, Ctrl-D to finish
-=== 
+=== \$
 === def will_error():
 ===     undefined_variable
-===     
+===     \$
 === will_error()
-=== 
+=== \$
 Traceback (most recent call last):
   File "<stdin>", line 5, in <module>
   File "<stdin>", line 3, in will_error
 NameError: name 'undefined_variable' isn't defined
->>> 
+>>> \$
 >>> # Final test to show REPL is still functioning
 >>> 1 + 2 + 3
 6
->>> 
+>>> \$

tests/cmdline/repl_words_move.py.exp

@@ -19,7 +19,7 @@ Type "help()" for more information.
 >>> # forward-word on eol. if cursor is moved, this will result in a SyntaxError
 >>> \.\+
 6
->>> 
+>>> \$
 >>> # kill word
 >>> # backward-kill-word, start in word
 >>> \.\+
@@ -33,7 +33,7 @@ Type "help()" for more information.
 >>> # forward-kill-word, don't start in word
 >>> \.\+
 3
->>> 
+>>> \$
 >>> # extra move/kill shortcuts
 >>> # ctrl-left
 >>> \.\+
@@ -44,4 +44,4 @@ Type "help()" for more information.
 >>> # ctrl-w
 >>> \.\+
 1
->>> 
+>>> \$

tests/feature_check/repl_emacs_check.py.exp

@@ -4,4 +4,4 @@ Type "help()" for more information.
 >>> t = \.\+
 >>> t == 2
 True
->>> 
+>>> \$

tests/feature_check/repl_words_move_check.py.exp

@@ -4,4 +4,4 @@ Type "help()" for more information.
 >>> t = \.\+
 >>> t == 2
 True
->>> 
+>>> \$