Set show_progress_rate_limit to -1 for all tests to ensure progress messages
are not lost.

--
MOS_MIGRATED_REVID=136579898
diff --git a/src/test/shell/integration/run_test.sh b/src/test/shell/integration/run_test.sh
index a2919db..ce39bdb 100755
--- a/src/test/shell/integration/run_test.sh
+++ b/src/test/shell/integration/run_test.sh
@@ -244,6 +244,8 @@
   err1nocolor=$(mktemp x/XXXXXX)
   err2=$(mktemp x/XXXXXX)
 
+  # TODO(katre): Figure out why progress rate limiting is required for this on darwin.
+  add_to_bazelrc common --show_progress_rate_limit=0.03
   bazel run //x:x --color=yes >$out1color 2>$err1raw_color || fail "expected success"
   bazel run //x:x --color=no >$out1nocolor 2>$err1raw_nocolor || fail "expected success"
 
@@ -263,10 +265,10 @@
   start=$(($bazel_stderr_line_count_nocolor+1))
   tail -n +$start $err1raw_nocolor >$err1nocolor
 
-  diff $out1color $out2 >&/dev/null || fail "stdout with --color=yes differs"
-  diff $out1nocolor $out2 >&/dev/null || fail "stdout with --color=no differs"
-  diff $err1color $err2 >&/dev/null || fail "stderr with --color=yes differs"
-  diff $err1nocolor $err2 >&/dev/null || fail "stderr with --color=no differs"
+  diff $out1color $out2 >&$TEST_log || fail "stdout with --color=yes differs"
+  diff $out1nocolor $out2 >&$TEST_log || fail "stdout with --color=no differs"
+  diff $err1color $err2 >&$TEST_log || fail "stderr with --color=yes differs"
+  diff $err1nocolor $err2 >&$TEST_log || fail "stderr with --color=no differs"
 
   rm -rf x
 }
diff --git a/src/test/shell/testenv.sh b/src/test/shell/testenv.sh
index 0e7d150..9da31e4 100755
--- a/src/test/shell/testenv.sh
+++ b/src/test/shell/testenv.sh
@@ -263,6 +263,10 @@
   cat >$TEST_TMPDIR/bazelrc <<EOF
 startup --output_user_root=${bazel_root}
 startup --host_javabase=${bazel_javabase}
+
+# Print all progress messages because we regularly grep the output in tests.
+common --show_progress_rate_limit=-1
+
 build -j 8
 ${EXTRA_BAZELRC:-}
 EOF
@@ -517,4 +521,4 @@
 
 ################### Extra ############################
 # Functions that need to be called before each test.
-create_and_cd_client
\ No newline at end of file
+create_and_cd_client