Fix failing test

Author: jeaye

clang/test/lit.cfg.py

@@ -140,15 +140,17 @@ def have_host_out_of_process_jit_feature_support():
 
     return False
 
-def run_clang_repl(feature_name):
+
+def run_clang_repl(args):
     clang_repl_exe = lit.util.which("clang-repl", config.clang_tools_dir)
 
     if not clang_repl_exe:
         return False
 
     try:
-        clang_repl_cmd = subprocess.Popen([clang_repl_exe, args],
-                                          stdout=subprocess.PIPE)
+        clang_repl_cmd = subprocess.Popen(
+            [clang_repl_exe, args], stdout=subprocess.PIPE
+        )
     except OSError:
         print("could not exec clang-repl")
         return False
@@ -158,6 +160,7 @@ def run_clang_repl(feature_name):
 
     return clang_repl_out
 
+
 def have_host_jit_feature_support(feature_name):
     return "true" in run_clang_repl("--host-supports-" + feature_name)
 
@@ -194,7 +197,7 @@ def have_host_clang_repl_cuda():
     if have_host_clang_repl_cuda():
         config.available_features.add('host-supports-cuda')
     hosttriple = run_clang_repl("--host-jit-triple")
-    config.substitutions.append("%host-jit-triple", hosttriple.strip())
+    config.substitutions.append(("%host-jit-triple", hosttriple.strip()))
 
     if have_host_out_of_process_jit_feature_support():
         config.available_features.add("host-supports-out-of-process-jit")