Update diverged tests

Author: kastiglione

lldb/test/API/lang/swift/expression/generic_function_name/TestSwiftGenericFunctionName.py

@@ -25,7 +25,7 @@ def test(self):
         stream = lldb.SBStream()
         bkpt.GetLocationAtIndex(0).GetDescription(stream, 1)
         desc = stream.GetData()
-        self.assertIn("C.f<T>(T, U) -> ()", desc)
+        self.assertIn("C.f<T>(_:_:)", desc)
 
         # Demangling only:
         fs = target.FindFunctions("f")

lldb/test/Shell/SwiftREPL/BreakpointSimple.test

@@ -7,7 +7,7 @@ func foo() -> Int {
 }
 
 :b foo
-// CHECK: Breakpoint 1: {{.*}}foo() -> Swift.Int {{.*}} repl.swift:6:3, address = 0x
+// CHECK: Breakpoint 1: {{.*}}foo() {{.*}} repl.swift:6:3, address = 0x
 
 // CHECK: Execution stopped at breakpoint
 foo()