[lldb][test][x86_64][win] Split TestBreakpointConditions assertion to clarify failure message

When this test fails we see an assertion error `False != True`
This clarifies the error by showing, for example, if `1 != 3` when
comparing `var` to the string "3".

Author: kendal

lldb/test/API/functionalities/breakpoint/breakpoint_conditions/TestBreakpointConditions.py

@@ -176,11 +176,15 @@ def breakpoint_conditions_python(self):
             thread.IsValid(),
             "There should be a thread stopped due to breakpoint condition",
         )
+
         frame0 = thread.GetFrameAtIndex(0)
         var = frame0.FindValue("val", lldb.eValueTypeVariableArgument)
-        self.assertTrue(
-            frame0.GetLineEntry().GetLine() == self.line1 and var.GetValue() == "3"
+        self.assertEqual(
+            frame0.GetLineEntry().GetLine(),
+            self.line1,
+            "The debugger stopped on the correct line",
         )
+        self.assertEqual(var.GetValue(), "3")
 
         # The hit count for the breakpoint should be 1.
         self.assertEqual(breakpoint.GetHitCount(), 1)