test fixes

Author: yiwu0b11

flang/runtime/execute.cpp

@@ -124,7 +124,7 @@ std::int64_t TerminationCheck(std::int64_t status, const Descriptor *cmdstat,
     // On Windows, ENOENT means the command interpreter can't be found.
     // On Linux, system calls execl with filepath "/bin/sh", ENOENT means the
     // file pathname does not exist.
-    if (errno = ENOENT) {
+    if (errno == ENOENT) {
       if (!cmdstat) {
         terminator.Crash("Command line execution is not supported, system "
                          "returns -1 with errno ENOENT.");

flang/unittests/Runtime/CommandTest.cpp

@@ -378,19 +378,12 @@ TEST_F(ZeroArguments, ECLNotExecutedCommandErrorSync) {
   CheckDescriptorEqInt<std::int64_t>(exitStat.get(), 126);
   CheckDescriptorEqInt<std::int64_t>(cmdStat.get(), 4);
   CheckDescriptorEqStr(cmdMsg.get(), "Command cannot be execu");
-#endif
-
-  // removing the file should have no error on Linux, have error on Windows
+  // removing the file only on Linux (file is not created on Win)
   OwningPtr<Descriptor> commandClean{
       CharDescriptor("rm -f NotExecutedCommandFile")};
   OwningPtr<Descriptor> cmdMsgNoErr{CharDescriptor("No Error")};
   RTNAME(ExecuteCommandLine)
   (*commandClean.get(), wait, exitStat.get(), cmdStat.get(), cmdMsgNoErr.get());
-#ifdef _WIN32
-  CheckDescriptorEqInt<std::int64_t>(exitStat.get(), 1);
-  CheckDescriptorEqStr(cmdMsgNoErr.get(), "Invalid ");
-  CheckDescriptorEqInt<std::int64_t>(cmdStat.get(), 6);
-#else
   CheckDescriptorEqInt<std::int64_t>(exitStat.get(), 0);
   CheckDescriptorEqStr(cmdMsgNoErr.get(), "No Error");
   CheckDescriptorEqInt<std::int64_t>(cmdStat.get(), 0);