Fix unit tests (#1685)

tests/unit-tests/mocks/arch.py

@@ -1,3 +1,4 @@
+import struct
 import types
 
 
@@ -6,4 +7,12 @@ class Amd64Arch(types.ModuleType):
         super(Amd64Arch, self).__init__(module_name)
 
         self.ptrsize = 8
+        self.ptrmask = (1 << 8 * self.ptrsize) - 1
         self.endian = "little"
+        self.fmt = "<Q"
+
+    def pack(self, integer: int) -> bytes:
+        return struct.pack(self.fmt, integer & self.ptrmask)
+
+    def unpack(self, data: bytes) -> int:
+        return struct.unpack(self.fmt, data)[0]

tests/unit-tests/mocks/config.py

@@ -11,7 +11,10 @@ class Config(types.ModuleType):
 
         return wrapper
 
-    def add_param(self, *args):
+    def add_param(self, *args, **kwargs):
+        pass
+
+    def add_param_obj(self, *args, **kwargs):
         pass
 
     def init_params(self):

tests/unit-tests/mocks/gdb.py

@@ -10,3 +10,5 @@ import gdb
 gdb.PARAM_BOOLEAN = 0
 gdb.PARAM_ZINTEGER = 4
 gdb.PARAM_STRING = 8
+
+gdb.VERSION = "8.3.1"