Added fuzz tests for mini table building and binary format parsing/serialization.

PiperOrigin-RevId: 458240180
diff --git a/cmake/make_cmakelists.py b/cmake/make_cmakelists.py
index d64c14f..496fa2f 100755
--- a/cmake/make_cmakelists.py
+++ b/cmake/make_cmakelists.py
@@ -68,6 +68,8 @@
       return
     if kwargs["name"] == "lupb":
       return
+    if "testonly" in kwargs:
+      return
     files = kwargs.get("srcs", []) + kwargs.get("hdrs", [])
     found_files = []
     pregenerated_files = [