[lit] Fix the lit unit tests.

A few tests were manually constructing a LitConfig object, since
I added a new argument to it this was triggering some failures
I didn't detect.  `ninja check-lit` passes now.

llvm-svn: 313461

llvm/utils/lit/lit/discovery.py

@@ -257,6 +257,7 @@ def load_test_suite(inputs):
                                     useValgrind = False,
                                     valgrindLeakCheck = False,
                                     valgrindArgs = [],
+                                    singleProcess=False,
                                     noExecute = False,
                                     debug = False,
                                     isWindows = (platform.system()=='Windows'),

llvm/utils/lit/tests/unit/TestRunner.py

@@ -28,6 +28,7 @@ class TestIntegratedTestKeywordParser(unittest.TestCase):
                                              quiet=False,
                                              useValgrind=False,
                                              valgrindLeakCheck=False,
+                                             singleProcess=False,
                                              valgrindArgs=[],
                                              noExecute=False,
                                              debug=False,