Update documentation regarding test_zeroize

This commit updates the paths in documentation for test_zeroize since
it has been moved to MbedTLS Framework.

Signed-off-by: Harry Ramsey <harry.ramsey@arm.com>
diff --git a/docs/architecture/testing/invasive-testing.md b/docs/architecture/testing/invasive-testing.md
index 464f761..bf8d631 100644
--- a/docs/architecture/testing/invasive-testing.md
+++ b/docs/architecture/testing/invasive-testing.md
@@ -275,7 +275,7 @@
 
 Goal: test that `mbedtls_platform_zeroize` does wipe the memory buffer.
 
-Solution ([debugger](#debugger-based-testing)): implemented in `tests/scripts/test_zeroize.gdb`.
+Solution ([debugger](#debugger-based-testing)): implemented in `framework/tests/programs/test_zeroize.gdb`.
 
 Rationale: this cannot be tested by adding C code, because the danger is that the compiler optimizes the zeroization away, and any C code that observes the zeroization would cause the compiler not to optimize it away.