Fix a couple of tests that were incorrectly using configuration.dwarf_version (#114161)

The tests were using the variable directly to get the dwarf version used
for the test. That's only the overri

Fix a couple of tests that were incorrectly using configuration.dwarf_version (#114161)

The tests were using the variable directly to get the dwarf version used
for the test. That's only the overridden value, and won't be set if
we're using the compiler default. I also put a comment by the variable
to make sure people don't make the same mistake in the future.

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[lldb][test] Switch LLDB API tests from vendored unittest2 to unittest (#79945)

This removes the dependency LLDB API tests have on
lldb/third_party/Python/module/unittest2, and instead uses the sta

[lldb][test] Switch LLDB API tests from vendored unittest2 to unittest (#79945)

This removes the dependency LLDB API tests have on
lldb/third_party/Python/module/unittest2, and instead uses the standard
one provided by Python.

This does not actually remove the vendored dep yet, nor update the docs.
I'll do both those once this sticks.

Non-trivial changes to call out:
- expected failures (i.e. "bugnumber") don't have a reason anymore, so
those params were removed
- `assertItemsEqual` is now called `assertCountEqual`
- When a test is marked xfail, our copy of unittest2 considers failures
during teardown to be OK, but modern unittest does not. See
TestThreadLocal.py. (Very likely could be a real bug/leak).
- Our copy of unittest2 was patched to print all test results, even ones
that don't happen, e.g. `(5 passes, 0 failures, 1 errors, 0 skipped,
...)`, but standard unittest prints a terser message that omits test
result types that didn't happen, e.g. `OK (skipped=1)`. Our lit
integration parses this stderr and needs to be updated w/ that
expectation.

I tested this w/ `ninja check-lldb-api` on Linux. There's a good chance
non-Linux tests have similar quirks, but I'm not able to uncover those.

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[lldb][test] Remove `reason` from `unittest2.expectedFailure` usage (#73028)

[lldb] Fix Python test formatting (NFC)

All Python files in the LLVM repository were reformatted with Black [1].
Files inside the LLDB subproject were reformatted in 2238dcc39358. This
patch updates

[lldb] Fix Python test formatting (NFC)

All Python files in the LLVM repository were reformatted with Black [1].
Files inside the LLDB subproject were reformatted in 2238dcc39358. This
patch updates a handful of tests that were added or modified since then
and weren't formatted with Black.

[1] https://discourse.llvm.org/t/rfc-document-and-standardize-python-code-style/68257

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[lldb] Disable TestNamespaceLookup in DWARF 5 + dSYM setting

The ordering in which functions are presented to the expression evaluator in
this test setting triggers a known bug in LLDB.

Differentia

[lldb] Disable TestNamespaceLookup in DWARF 5 + dSYM setting

The ordering in which functions are presented to the expression evaluator in
this test setting triggers a known bug in LLDB.

Differential Revision: https://reviews.llvm.org/D154843

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[NFC][Py Reformat] Reformat python files in lldb

This is an ongoing series of commits that are reformatting our Python
code. Reformatting is done with `black` (23.1.0).

If you end up having problem

[NFC][Py Reformat] Reformat python files in lldb

This is an ongoing series of commits that are reformatting our Python
code. Reformatting is done with `black` (23.1.0).

If you end up having problems merging this commit because you have made
changes to a python file, the best way to handle that is to run `git
checkout --ours <yourfile>` and then reformat it with black.

RFC: https://discourse.llvm.org/t/rfc-document-and-standardize-python-code-style

Differential revision: https://reviews.llvm.org/D151460

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[lldb][Test] Add missing breakpoint in TestNamespaceLookup.py

[lldb][ClangExpression] Remove storage-class check when creating AsmLabel

This check was put in place to prevent static functions
from translation units outside the one that the current
expression i

[lldb][ClangExpression] Remove storage-class check when creating AsmLabel

This check was put in place to prevent static functions
from translation units outside the one that the current
expression is evaluated from taking precedence over functions
in the global namespace. However, this is really a different
bug. LLDB lumps functions from all CUs into a single AST and
ends up picking the file-static even when C++ context rules
wouldn't allow that to happen.

This patch removes the check so we apply the AsmLabel to all
FunctionDecls we create from DWARF if we have a linkage name
available. This makes the code-path easier to reason about and
allows calling static functions in contexts where we previously
would've chosen the wrong function.

We also flip the XFAILs in the API test to reflect what effect
this change has.

**Testing**

* Fixed API tests and added XFAIL

Differential Revision: https://reviews.llvm.org/D132231

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[lldb][Test] Replace expect() with expect_expr() in TestNamespaceLookup.py

This will be useful in preparation for some reshuffling
of assertions in this file since we won't have to
adjust the persit

[lldb][Test] Replace expect() with expect_expr() in TestNamespaceLookup.py

This will be useful in preparation for some reshuffling
of assertions in this file since we won't have to
adjust the persitent variable names during the process.

sed commands:
```
s/expect("expr -- /expect_expr("/g
s/startstr="(int) [$0-9]* = /result_type="int", result_value="/g
```

**Testing**

* API tests still pass

Differential Revision: https://reviews.llvm.org/D132271

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[lldb][tests] Automatically call compute_mydir (NFC)

Eliminate boilerplate of having each test manually assign to `mydir` by calling
`compute_mydir` in lldbtest.py.

Differential Revision: https://r

[lldb][tests] Automatically call compute_mydir (NFC)

Eliminate boilerplate of having each test manually assign to `mydir` by calling
`compute_mydir` in lldbtest.py.

Differential Revision: https://reviews.llvm.org/D128077

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[lldb] [test] Remove xfail from tests that pass on FreeBSD

[lldb] Replace unittest2.expectedFailure with expectedFailure (NFC)

Rename the existing expectedFailure to expectedFailureIfFn to better
describe its purpose and provide an overload for
unittest2.ex

[lldb] Replace unittest2.expectedFailure with expectedFailure (NFC)

Rename the existing expectedFailure to expectedFailureIfFn to better
describe its purpose and provide an overload for
unittest2.expectedFailure in decorators.py.

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[lldb][test] Remove symlink for API tests.

Summary: Moves lldbsuite tests to lldb/test/API.

This is a largely mechanical change, moved with the following steps:

```
rm lldb/test/API/testcases
mkdi

[lldb][test] Remove symlink for API tests.

Summary: Moves lldbsuite tests to lldb/test/API.

This is a largely mechanical change, moved with the following steps:

```
rm lldb/test/API/testcases
mkdir -p lldb/test/API/{test_runner/test,tools/lldb-{server,vscode}}
mv lldb/packages/Python/lldbsuite/test/test_runner/test lldb/test/API/test_runner
for d in $(find lldb/packages/Python/lldbsuite/test/* -maxdepth 0 -type d | egrep -v "make|plugins|test_runner|tools"); do mv $d lldb/test/API; done
for d in $(find lldb/packages/Python/lldbsuite/test/tools/lldb-vscode -maxdepth 1 -mindepth 1 | grep -v ".py"); do mv $d lldb/test/API/tools/lldb-vscode; done
for d in $(find lldb/packages/Python/lldbsuite/test/tools/lldb-server -maxdepth 1 -mindepth 1 | egrep -v "gdbremote_testcase.py|lldbgdbserverutils.py|socket_packet_pump.py"); do mv $d lldb/test/API/tools/lldb-server; done
```

lldb/packages/Python/lldbsuite/__init__.py and lldb/test/API/lit.cfg.py were also updated with the new directory structure.

Reviewers: labath, JDevlieghere

Tags: #lldb

Differential Revision: https://reviews.llvm.org/D71151

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