Fix test

Author: ellishg

llvm/test/MachineVerifier/test_g_multiple_errors.mir renamed to llvm/test/MachineVerifier/test_multiple_errors.mir

@@ -1,7 +1,7 @@
-# RUN: not --crash llc -mtriple=aarch64 -o /dev/null -run-pass=none -verify-machineinstrs %s 2>&1 | FileCheck %s --implicit-check-not="Bad machine code"
+# RUN: not --crash llc -mtriple=aarch64 -o /dev/null -run-pass=none %s 2>&1 | FileCheck %s --implicit-check-not="Bad machine code"
 # REQUIRES: aarch64-registered-target
 
-# Check that errors are reported from only one function.
+# Since we abort after reporting the first error, we should only expect one error to be reported.
 # CHECK: *** Bad machine code: Generic virtual register use cannot be undef ***
 # CHECK: Found 1 machine code errors.