chore[fuzzer]: disable fsl for now (#5153)

Signed-off-by: Joe Isaacs <[email protected]>

Author: joseph-isaacs

vortex-dtype/src/arbitrary/mod.rs

@@ -4,7 +4,6 @@
 use std::sync::Arc;
 
 use arbitrary::{Arbitrary, Result, Unstructured};
-use vortex_error::VortexExpect;
 
 use crate::{
     DType, DecimalDType, FieldName, FieldNames, NativeDecimalType, Nullability, PType,
@@ -28,7 +27,8 @@ impl<'a> Arbitrary<'a> for FieldName {
 
 fn random_dtype(u: &mut Unstructured<'_>, depth: u8) -> Result<DType> {
     const BASE_TYPE_COUNT: i32 = 5;
-    const CONTAINER_TYPE_COUNT: i32 = 3;
+    // TODO(joe): update to 3 once fsl works
+    const CONTAINER_TYPE_COUNT: i32 = 2;
     let max_dtype_kind = if depth == 0 {
         BASE_TYPE_COUNT
     } else {
@@ -45,12 +45,12 @@ fn random_dtype(u: &mut Unstructured<'_>, depth: u8) -> Result<DType> {
         // container types
         6 => DType::Struct(random_struct_dtype(u, depth - 1)?, u.arbitrary()?),
         7 => DType::List(Arc::new(random_dtype(u, depth - 1)?), u.arbitrary()?),
-        8 => DType::FixedSizeList(
-            Arc::new(random_dtype(u, depth - 1)?),
-            // We limit the list size to 3 rather (following random struct fields).
-            u.choose_index(3)?.try_into().vortex_expect("impossible"),
-            u.arbitrary()?,
-        ),
+        // 8 => DType::FixedSizeList(
+        //     Arc::new(random_dtype(u, depth - 1)?),
+        //     // We limit the list size to 3 rather (following random struct fields).
+        //     u.choose_index(3)?.try_into().vortex_expect("impossible"),
+        //     u.arbitrary()?,
+        // ),
         // Null,
         // Extension(ExtDType, Nullability),
         _ => unreachable!("Number out of range"),