reword cmake test generator warning

PiperOrigin-RevId: 564300497
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 84a1494..2400230 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -261,7 +261,7 @@
             -P ${CMAKE_CURRENT_SOURCE_DIR}/tests/run-roundtrip-test.cmake)
       endforeach()
     else()
-      message(WARNING "Test file ${INPUT} does not exist.")
+      message(NOTICE "Test file ${INPUT} does not exist; OK on tarball builds")
     endif()
   endforeach()
 
diff --git a/tests/Makefile b/tests/Makefile
deleted file mode 100644
index 28da198..0000000
--- a/tests/Makefile
+++ /dev/null
@@ -1,17 +0,0 @@
-#brotli/tests
-
-BROTLI = ..
-
-all: test
-
-test: deps
-	./compatibility_test.sh
-	./roundtrip_test.sh
-
-deps :
-	$(MAKE) -C $(BROTLI) brotli
-
-clean :
-	rm -f testdata/*.{br,unbr,uncompressed}
-	rm -f $(BROTLI)/{enc,dec,tools}/*.{un,}br
-	$(MAKE) -C $(BROTLI)/tools clean
diff --git a/tests/compatibility_test.sh b/tests/compatibility_test.sh
deleted file mode 100755
index c5af8bf..0000000
--- a/tests/compatibility_test.sh
+++ /dev/null
@@ -1,25 +0,0 @@
-#!/usr/bin/env bash
-#
-# Test that the brotli command-line tool can decompress old brotli-compressed
-# files.
-#
-# The first argument may be a wrapper for brotli, such as 'qemu-arm'.
-
-set -o errexit
-
-BROTLI_WRAPPER=$1
-BROTLI="${BROTLI_WRAPPER} bin/brotli"
-TMP_DIR=bin/tmp
-
-for file in tests/testdata/*.compressed*; do
-  echo "Testing decompression of file $file"
-  expected=${file%.compressed*}
-  uncompressed=${TMP_DIR}/${expected##*/}.uncompressed
-  echo $uncompressed
-  $BROTLI $file -fdo $uncompressed
-  diff -q $uncompressed $expected
-  # Test the streaming version
-  cat $file | $BROTLI -dc > $uncompressed
-  diff -q $uncompressed $expected
-  rm -f $uncompressed
-done
diff --git a/tests/roundtrip_test.sh b/tests/roundtrip_test.sh
deleted file mode 100755
index 0a0b910..0000000
--- a/tests/roundtrip_test.sh
+++ /dev/null
@@ -1,36 +0,0 @@
-#!/usr/bin/env bash
-#
-# Roundtrip test for the brotli command-line tool.
-#
-# The first argument may be a wrapper for brotli, such as 'qemu-arm'.
-
-set -o errexit
-
-BROTLI_WRAPPER=$1
-BROTLI="${BROTLI_WRAPPER} bin/brotli"
-TMP_DIR=bin/tmp
-INPUTS="""
-tests/testdata/alice29.txt
-tests/testdata/asyoulik.txt
-tests/testdata/lcet10.txt
-tests/testdata/plrabn12.txt
-c/enc/encode.c
-c/common/dictionary.h
-c/dec/decode.c
-"""
-
-for file in $INPUTS; do
-  if [ -f $file ]; then
-    for quality in 1 6 9 11; do
-      echo "Roundtrip testing $file at quality $quality"
-      compressed=${TMP_DIR}/${file##*/}.br
-      uncompressed=${TMP_DIR}/${file##*/}.unbr
-      $BROTLI -fq $quality $file -o $compressed
-      $BROTLI $compressed -fdo $uncompressed
-      diff -q $file $uncompressed
-      # Test the streaming version
-      cat $file | $BROTLI -cq $quality | $BROTLI -cd >$uncompressed
-      diff -q $file $uncompressed
-    done
-  fi
-done