tests: Update structural_tests to pass with pycodestyle 2.9 and 2.11

pycodestyle 2.11 no longer reports E741 - ambiguous variable name for
`if l == True` because it doesn't contain an assignment.

PyCQA/pycodestyle#1118

tests/test_cli/acknowledge_existing_errors_test_cases__snapshots/structural_tests/input.py

@@ -55,10 +55,9 @@ def return_no_cheese_found(self):
         except:
             pass
 
-        l = 5
         i = 3
+        j = 5
 
-        if l == True:
-            return False
+        l = (i == True)
 
         return cheese_found

tests/test_cli/acknowledge_existing_errors_test_cases__snapshots/structural_tests/output.py.txt

@@ -55,10 +55,9 @@ class Cheese_Shop:  # noqa: D101, N801 - Missing docstring in public class (auto
         except:  # noqa: E722 - do not use bare 'except' (auto-generated noqa)
             pass
 
-        l = 5  # noqa: E741 - ambiguous variable name 'l' (auto-generated noqa)
-        i = 3  # noqa: F841 - local variable 'i' is assigned to but never used (auto-generated noqa)
+        i = 3
+        j = 5  # noqa: F841 - local variable 'j' is assigned to but never used (auto-generated noqa)
 
-        if l == True:  # noqa: E741, E712 - ambiguous variable name 'l' (auto-generated noqa), comparison to True should be 'if cond is True:' or 'if cond:' (auto-generated noqa)
-            return False
+        l = (i == True)  # noqa: E712, E741, F841 - comparison to True should be 'if cond is True:' or 'if cond:' (auto-generated noqa), ambiguous variable name 'l' (auto-generated noqa), local variable 'l' is assigned to but never used (auto-generated noqa)
 
         return cheese_found

tests/test_cli/acknowledge_existing_errors_test_cases__snapshots/structural_tests/output__aggressive.py

@@ -69,13 +69,12 @@ def return_no_cheese_found(self):
         except:  # noqa: E722 - do not use bare 'except' (auto-generated noqa)
             pass
 
-        l = 5  # noqa: E741 - ambiguous variable name 'l' (auto-generated noqa)
-        i = 3  # noqa: F841 - local variable 'i' is assigned to but never used (auto-generated noqa)
+        i = 3
+        j = 5  # noqa: F841 - local variable 'j' is assigned to but never used (auto-generated noqa)
 
-        if (
-            l
+        l = (  # noqa: E741, F841 - ambiguous variable name 'l' (auto-generated noqa), local variable 'l' is assigned to but never used (auto-generated noqa)
+            i
             == True  # noqa: E712 - comparison to True should be 'if cond is True:' or 'if cond:' (auto-generated noqa)
-        ):
-            return False
+        )
 
         return cheese_found