Add more unit tests for Function List of Python

PowerEditor/Test/FunctionList/python/unitTest

@@ -299,7 +299,16 @@ class SampleClassGood(object):
     def __init__ (self, fileName):
         self.fileName = fileName
 
+    def calculate_area(radius: float, pi: float = 3.14) -> float:
+        return pi * radius ** 2
 
 
+async def greet(name: str) -> str:
+    return f"Hello, {name}!"
+
+
+def add_numbers(a: int, b: int, c: int) -> int:
+    return a + b + c
+
 
 

PowerEditor/Test/FunctionList/python/unitTest.expected.result

@@ -1 +1 @@
-{"leaves":["dfs(G, s)","bfs(G, s)","dijk(G, s)","topo(G, ind=None, Q=[1])","adjm()","floy(A_and_n)","prim(G, s)","edglist()","krusk(E_and_n)"],"nodes":[{"leaves":["__init__ (self, fileName)"],"name":"SampleClassBad"},{"leaves":["__init__ (self, fileName)"],"name":"SampleClassGood"}],"root":"unitTest"}
+{"leaves":["dfs(G, s)","bfs(G, s)","dijk(G, s)","topo(G, ind=None, Q=[1])","adjm()","floy(A_and_n)","prim(G, s)","edglist()","krusk(E_and_n)","greet(name: str) -> str","add_numbers(a: int, b: int, c: int) -> int"],"nodes":[{"leaves":["__init__ (self, fileName)"],"name":"SampleClassBad"},{"leaves":["__init__ (self, fileName)","calculate_area(radius: float, pi: float = 3.14) -> float"],"name":"SampleClassGood"}],"root":"unitTest"}