[lit] Move ulimit_unlimited.txt test to non Darwin tests

This fails on MacOS because setting it to unlimited there just sets the
limit to the max value which causes differences that show up in the
check lines.

Author: boomanaiden154

llvm/utils/lit/tests/Inputs/shtest-ulimit/ulimit_unlimited.txt renamed to llvm/utils/lit/tests/Inputs/shtest-ulimit-nondarwin/ulimit_unlimited.txt

@@ -1,6 +1,6 @@
 # RUN: ulimit -f 5
-# RUN: %{python} %S/print_limits.py
+# RUN: %{python} %S/../shtest-ulimit/print_limits.py
 # RUN: ulimit -f unlimited
-# RUN: %{python} %S/print_limits.py
+# RUN: %{python} %S/../shtest-ulimit/print_limits.py
 # Fail the test so that we can assert on the output.
 # RUN: not echo return

llvm/utils/lit/tests/shtest-ulimit-nondarwin.py

@@ -6,10 +6,16 @@
 
 # RUN: not %{lit} -a -v %{inputs}/shtest-ulimit-nondarwin | FileCheck %s
 
-# CHECK: -- Testing: 1 tests{{.*}}
+# CHECK: -- Testing: 2 tests{{.*}}
 
 # CHECK-LABEL: FAIL: shtest-ulimit :: ulimit_okay.txt ({{[^)]*}})
 # CHECK: ulimit -v 1048576
 # CHECK: ulimit -s 256
 # CHECK: RLIMIT_AS=1073741824
 # CHECK: RLIMIT_STACK=262144
+
+# CHECK-LABEL: FAIL: shtest-ulimit :: ulimit_unlimited.txt ({{[^)]*}})
+# CHECK: ulimit -f 5
+# CHECK: RLIMIT_FSIZE=5
+# CHECK: ulimit -f unlimited
+# CHECK: RLIMIT_FSIZE=-1

llvm/utils/lit/tests/shtest-ulimit.py

@@ -11,7 +11,7 @@
 # RUN: not %{lit} -a -v %{inputs}/shtest-ulimit --order=lexical \
 # RUN:   | FileCheck -DBASE_NOFILE_LIMIT=%{readfile:%t.nofile_limit} %s
 
-# CHECK: -- Testing: 4 tests{{.*}}
+# CHECK: -- Testing: 3 tests{{.*}}
 
 # CHECK-LABEL: FAIL: shtest-ulimit :: ulimit-bad-arg.txt ({{[^)]*}})
 # CHECK: ulimit -n
@@ -25,9 +25,3 @@
 
 # CHECK-LABEL: FAIL: shtest-ulimit :: ulimit_reset.txt ({{[^)]*}})
 # CHECK: RLIMIT_NOFILE=[[BASE_NOFILE_LIMIT]]
-
-# CHECK-LABEL: FAIL: shtest-ulimit :: ulimit_unlimited.txt ({{[^)]*}})
-# CHECK: ulimit -f 5
-# CHECK: RLIMIT_FSIZE=5
-# CHECK: ulimit -f unlimited
-# CHECK: RLIMIT_FSIZE=-1