[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit

Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/libc/glibc/glibc-2.22/stdlib/tst-unsetenv1.c b/ap/libc/glibc/glibc-2.22/stdlib/tst-unsetenv1.c
new file mode 100644
index 0000000..a2a760d
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.22/stdlib/tst-unsetenv1.c
@@ -0,0 +1,12 @@
+#include <stdlib.h>
+
+static int
+do_test (void)
+{
+  clearenv ();
+  unsetenv ("FOO");
+  return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"