status: Add case insensitivity related failing test

tests-clar/clar_libgit2.h

diff --git a/tests-clar/clar_libgit2.h b/tests-clar/clar_libgit2.h
index 3fcf45a..55c0764 100644
--- a/tests-clar/clar_libgit2.h
+++ b/tests-clar/clar_libgit2.h
@@ -5,6 +5,10 @@
 #include <git2.h>
 #include "common.h"
 
+#if (defined(GIT_WIN32) || defined(__APPLE__))
+#define CASE_INSENSITIVE_FILESYSTEM 1
+#endif
+
 /**
  * Replace for `clar_must_pass` that passes the last library error as the
  * test failure message.

tests-clar/repo/init.c

diff --git a/tests-clar/repo/init.c b/tests-clar/repo/init.c
index 8cf7379..e0a0f67 100644
--- a/tests-clar/repo/init.c
+++ b/tests-clar/repo/init.c
@@ -223,8 +223,6 @@
 #endif
 }
 
-#define CASE_INSENSITIVE_FILESYSTEM (defined GIT_WIN32 || defined __APPLE__)
-
 void test_repo_init__detect_ignorecase(void)
 {
 #if CASE_INSENSITIVE_FILESYSTEM

tests-clar/status/worktree.c

diff --git a/tests-clar/status/worktree.c b/tests-clar/status/worktree.c
index c8940ff..c8fb1c1 100644
--- a/tests-clar/status/worktree.c
+++ b/tests-clar/status/worktree.c
@@ -694,6 +694,37 @@
 	cl_git_fail_with(git_status_file(&status, repo, "NEW_FILE"), GIT_ENOTFOUND);
 }
 
+void test_status_worktree__file_status_honors_case_ignorecase_on_case_insensitive_platforms(void)
+{
+#ifdef CASE_INSENSITIVE_FILESYSTEM
+	git_repository *repo = cl_git_sandbox_init("status");
+	unsigned int status;
+	git_index *index;
+
+	cl_repo_set_bool(repo, "core.ignorecase", true);
+
+	repo = cl_git_sandbox_reopen();
+
+	cl_git_pass(git_status_file(&status, repo, "NEW_FILE"));
+	cl_assert_equal_i(GIT_STATUS_WT_NEW, status);
+
+	cl_git_pass(git_status_file(&status, repo, "new_file"));
+	cl_assert_equal_i(GIT_STATUS_WT_NEW, status);
+
+	cl_git_pass(git_repository_index(&index, repo));
+
+	cl_git_pass(git_index_add_bypath(index, "new_file"));
+	cl_git_pass(git_index_write(index));
+	git_index_free(index);
+
+	cl_git_pass(git_status_file(&status, repo, "new_file"));
+	cl_assert_equal_i(GIT_STATUS_INDEX_NEW, status);
+
+	cl_git_pass(git_status_file(&status, repo, "NEW_FILE"));
+	cl_assert_equal_i(GIT_STATUS_INDEX_NEW, status);
+#endif
+}
+
 void test_status_worktree__simple_delete(void)
 {
 	git_repository *repo = cl_git_sandbox_init("renames");