Update black tests (#8278)

Update black tests to
psf/black@c369e44

crates/ruff_python_formatter/resources/test/fixtures/black/miscellaneous/force_pyi.py

@@ -1,3 +1,4 @@
+# flags: --pyi
 from typing import Union
 
 @bird

crates/ruff_python_formatter/resources/test/fixtures/black/miscellaneous/string_quotes.py

@@ -1,4 +1,5 @@
 ''''''
+
 '\''
 '"'
 "'"

crates/ruff_python_formatter/resources/test/fixtures/black/miscellaneous/string_quotes.py.expect

@@ -1,4 +1,5 @@
 """"""
+
 "'"
 '"'
 "'"

crates/ruff_python_formatter/resources/test/fixtures/black/raw_docstring.py

@@ -0,0 +1,16 @@
+# flags: --preview --skip-string-normalization
+class C:
+
+    r"""Raw"""
+
+def f():
+
+    r"""Raw"""
+
+class SingleQuotes:
+
+
+    r'''Raw'''
+
+class UpperCaseR:
+    R"""Raw"""

crates/ruff_python_formatter/resources/test/fixtures/black/raw_docstring.py.expect

@@ -0,0 +1,14 @@
+class C:
+    r"""Raw"""
+
+
+def f():
+    r"""Raw"""
+
+
+class SingleQuotes:
+    r'''Raw'''
+
+
+class UpperCaseR:
+    R"""Raw"""

crates/ruff_python_formatter/tests/snapshots/black_compatibility@miscellaneous__force_pyi.py.snap

@@ -5,6 +5,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/miscellan
 ## Input
 
 ```py
+# flags: --pyi
 from typing import Union
 
 @bird
@@ -42,7 +43,8 @@ def eggs() -> Union[str, int]: ...
 ```diff
 --- Black
 +++ Ruff
-@@ -1,32 +1,58 @@
+@@ -1,32 +1,59 @@
++# flags: --pyi
  from typing import Union
  
 +
@@ -67,13 +69,13 @@ def eggs() -> Union[str, int]: ...
 -    def BMethod(self, arg: List[str]) -> None: ...
 +    def BMethod(self, arg: List[str]) -> None:
 +        ...
-+
-+
-+class C:
-+    ...
  
 -class C: ...
  
++class C:
++    ...
++
++
  @hmm
 -class D: ...
 +class D:
@@ -118,6 +120,7 @@ def eggs() -> Union[str, int]: ...
 ## Ruff Output
 
 ```py
+# flags: --pyi
 from typing import Union
 
 

crates/ruff_python_formatter/tests/snapshots/black_compatibility@miscellaneous__string_quotes.py.snap

@@ -6,6 +6,7 @@ input_file: crates/ruff_python_formatter/resources/test/fixtures/black/miscellan
 
 ```py
 ''''''
+
 '\''
 '"'
 "'"
@@ -69,7 +70,7 @@ f"\"{a}\"{'hello' * b}\"{c}\""
 ```diff
 --- Black
 +++ Ruff
-@@ -24,7 +24,12 @@
+@@ -25,7 +25,12 @@
  r'Tricky "quote'
  r"Not-so-tricky \"quote"
  rf"{yay}"
@@ -89,6 +90,7 @@ f"\"{a}\"{'hello' * b}\"{c}\""
 
 ```py
 """"""
+
 "'"
 '"'
 "'"
@@ -151,6 +153,7 @@ f"\"{a}\"{'hello' * b}\"{c}\""
 
 ```py
 """"""
+
 "'"
 '"'
 "'"

crates/ruff_python_formatter/tests/snapshots/black_compatibility@raw_docstring.py.snap

@@ -0,0 +1,92 @@
+---
+source: crates/ruff_python_formatter/tests/fixtures.rs
+input_file: crates/ruff_python_formatter/resources/test/fixtures/black/raw_docstring.py
+---
+## Input
+
+```py
+# flags: --preview --skip-string-normalization
+class C:
+
+    r"""Raw"""
+
+def f():
+
+    r"""Raw"""
+
+class SingleQuotes:
+
+
+    r'''Raw'''
+
+class UpperCaseR:
+    R"""Raw"""
+```
+
+## Black Differences
+
+```diff
+--- Black
++++ Ruff
+@@ -1,4 +1,6 @@
++# flags: --preview --skip-string-normalization
+ class C:
++
+     r"""Raw"""
+ 
+ 
+@@ -7,8 +9,9 @@
+ 
+ 
+ class SingleQuotes:
+-    r'''Raw'''
+ 
++    r"""Raw"""
++
+ 
+ class UpperCaseR:
+     R"""Raw"""
+```
+
+## Ruff Output
+
+```py
+# flags: --preview --skip-string-normalization
+class C:
+
+    r"""Raw"""
+
+
+def f():
+    r"""Raw"""
+
+
+class SingleQuotes:
+
+    r"""Raw"""
+
+
+class UpperCaseR:
+    R"""Raw"""
+```
+
+## Black Output
+
+```py
+class C:
+    r"""Raw"""
+
+
+def f():
+    r"""Raw"""
+
+
+class SingleQuotes:
+    r'''Raw'''
+
+
+class UpperCaseR:
+    R"""Raw"""
+```
+
+