[lldb][Type Completion] XFAIL TestExprCompletion and TestTypeLookup

Expected failures due to lazy method loading
(#8579)

Author: Michael137

lldb/test/API/commands/expression/completion/TestExprCompletion.py

@@ -252,6 +252,7 @@ def test_expr_completion(self):
         self.complete_from_to("expr myVec.__m", "expr myVec.__mem")
         self.complete_from_to("expr myVec._M", "expr myVec._Mem")
 
+    @expectedFailureAll(setting=('plugin.typesystem.clang.experimental-redecl-completion', 'true'))
     def test_expr_completion_with_descriptions(self):
         self.build()
         self.main_source = "main.cpp"

lldb/test/API/functionalities/type_lookup/TestTypeLookup.py

@@ -45,9 +45,24 @@ def test_type_lookup(self):
             "type lookup PleaseDontBeARealTypeThatExists",
             substrs=["no type was found matching 'PleaseDontBeARealTypeThatExists'"],
         )
-        self.expect("type lookup MyCPPClass", substrs=["setF", "float getF"])
-        self.expect("type lookup MyClass", substrs=["setF", "float getF"])
         self.expect(
             "type lookup MyObjCClass",
             substrs=["@interface MyObjCClass", "int x", "int y"],
         )
+
+    @expectedFailureAll(setting=('plugin.typesystem.clang.experimental-redecl-completion', 'true'))
+    @skipUnlessDarwin
+    @skipIf(archs=["i386"])
+    @skipIfDarwinEmbedded  # swift crash inspecting swift stdlib with little other swift loaded <rdar://problem/55079456>
+    def test_type_lookup(self):
+        """Test type lookup command."""
+        self.build()
+        self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)
+
+        lldbutil.run_break_set_by_file_and_line(
+            self, "main.mm", self.line, num_expected_locations=1, loc_exact=True
+        )
+
+        self.runCmd("run", RUN_SUCCEEDED)
+        self.expect("type lookup MyCPPClass", substrs=["setF", "float getF"])
+        self.expect("type lookup MyClass", substrs=["setF", "float getF"])