Add static linking to legacy tests
diff --git a/tests/legacy.c b/tests/legacy.c
index 6da7122..e660b9c 100644
--- a/tests/legacy.c
+++ b/tests/legacy.c
@@ -16,10 +16,11 @@
 /*===========================================
 *   Dependencies
 *==========================================*/
-#include <stddef.h>     /* size_t */
-#include <stdlib.h>     /* malloc, free */
-#include <stdio.h>      /* fprintf */
-#include <string.h>     /* strlen */
+#include <stddef.h>              /* size_t */
+#include <stdlib.h>              /* malloc, free */
+#include <stdio.h>               /* fprintf */
+#include <string.h>              /* strlen */
+#define ZSTD_STATIC_LINKING_ONLY /* ZSTD_decompressBound */
 #include "zstd.h"
 #include "zstd_errors.h"
 
@@ -136,10 +137,6 @@
         DISPLAY("ERROR: ZSTD_decompressBound: Expected to receive ZSTD_CONTENTSIZE_ERROR\n");
         return 1;
     }
-    if (ZSTD_findFrameCompressedSize(COMPRESSED) != COMPRESSED_SIZE) {
-        DISPLAY("ERROR: ZSTD_findFrameCompressedSize: Expected to receive %d\n", COMPRESSED_SIZE);
-        return 1;
-    }
     DISPLAY("Frame Decoding OK\n");
     return 0;
 }