Move the type parameter syntax tests so that it works for all versions

test/completion/basic.py

@@ -436,16 +436,3 @@ res = 'f' in 'foo'; res
 
 #? bool()
 res = not {}; res
-
-# -----------------
-# new generic syntax should not fail
-# -----------------
-
-class C[T]:
-    def c(self) -> str: ...
-def f[T](x: T, y: T) -> int: ...
-
-#? int()
-f()
-#? str()
-C().c()

test/completion/pep0695_type_parameter_syntax.py

@@ -0,0 +1,14 @@
+# python >= 3.12
+
+# -----------------
+# new generic syntax should not fail
+# -----------------
+
+class C[T]:
+    def c(self) -> str: ...
+def f[T](x: T, y: T) -> int: ...
+
+#? int()
+f()
+#? str()
+C().c()