Some sother small test improvements

test/refactor/extract_variable.py

@@ -0,0 +1,51 @@
+# -------------------------------------------------- simple-1
+def test():
+    #? 35 {'new_name': 'a'}
+    return test(100, (30 + b, c) + 1)
+
+# ++++++++++++++++++++++++++++++++++++++++++++++++++
+def test():
+    #? 35 {'new_name': 'a'}
+    a = (30 + b, c) + 1
+    return test(100, a)
+
+
+# -------------------------------------------------- simple-2
+def test():
+    #? 25 {'new_name': 'a'}
+    return test(100, (30 + b, c) + 1)
+
+# ++++++++++++++++++++++++++++++++++++++++++++++++++
+def test():
+    #? 25 {'new_name': 'a'}
+    a = 30 + b
+    return test(100, (a, c) + 1)
+
+
+# -------------------------------------------------- multiline-1
+def test():
+    #? 30 {'new_name': 'a'}
+    return test(1, (30 + b, c) 
+                            + 1)
+# ++++++++++++++++++++++++++++++++++++++++++++++++++
+def test():
+    #? 30 {'new_name': 'a'}
+    x = ((30 + b, c) 
+                            + 1)
+    return test(1, x
+)
+
+
+# -------------------------------------------------- multiline-2
+def test():
+    #? 25 {'new_name': 'a'}
+    return test(1, (30 + b, c) 
+                            + 1)
+# ++++++++++++++++++++++++++++++++++++++++++++++++++
+def test():
+    #? 25 {'new_name': 'a'}
+    x = 30 + b
+    return test(1, (x, c) 
+                            + 1)
+
+