Fix MLIR integration test that requires ARM SVE to reproduce

Fix-forward for a9f3009

Author: joker-eph

mlir/test/Integration/Dialect/SparseTensor/CPU/sparse_matvec.mlir

@@ -38,7 +38,7 @@
 //
 // Do the same run, but now with direct IR generation and, if available, VLA
 // vectorization.
-// RUN: %if mlir_arm_sve_tests %{ %{compile_sve} | %{env} %{run_sve} | FileCheck %s %}
+// RUN: %if mlir_arm_sve_tests %{ %{compile_sve} | env %{env} %{run_sve} | FileCheck %s %}
 
 !Filename = !llvm.ptr<i8>