llvm/llvm/test/Other/FileCheck-space.txt

RUN: printf "a\nb" | FileCheck %s -check-prefix=TEST1
RUN: echo oo | FileCheck %s -check-prefix=TEST2

Check that CHECK-NEXT without a space after the colon works.
TEST1:a
TEST1-NEXT:b

Check that CHECK-NOT without a space after the colon works.
TEST2-NOT:foo