Index: TESTS_ENVIRONMENT.in
--- TESTS_ENVIRONMENT.in.orig
+++ TESTS_ENVIRONMENT.in
@@ -97,7 +97,7 @@ has_errors=""
 #     run_test rktimes -V
 #
 run_test() {
-    printf "%s \033[0;35m=============================================================\033[0m\n" $(date -Iseconds)
+    printf "%s \033[0;35m=============================================================\033[0m\n" $(date +%s)
     LAST_TEST=("test: $@")
     echo "${LAST_TEST[@]}"
     export test_num=`expr ${test_num} \+ 1`
@@ -107,7 +107,7 @@ run_test() {
 run_cap_test() {
     LAST_CAP_TEST=("test: $@")
     local full_cmd=$(echo "${LAST_CAP_TEST[@]}" | sed -e "s;${test_dir};{test_dir};g" -e "s;${top_srcdir};{top_srcdir};g")
-    export test_hash=$(echo "${full_cmd}" | shasum | cut -f 1 -d ' ')
+    export test_hash=$(echo "${full_cmd}" | sha1 | cut -f 1 -d ' ')
     echo "${full_cmd}" > ${test_file_base}_${test_hash}.cmd
     "$@" > ${test_file_base}_${test_hash}.out 2> ${test_file_base}_${test_hash}.err
 
@@ -123,7 +123,7 @@ run_cap_test() {
         -e "s;lnav-user-${UID}-work;lnav-user-{uid}-work;g" \
         ${test_file_base}_${test_hash}.out
     echo
-    printf "%s \033[0;35m=============================================================\033[0m\n" $(date -Iseconds)
+    printf "%s \033[0;35m=============================================================\033[0m\n" $(date +%s)
     printf '\033[0;35mCommand\033[0m: %s\n' "${full_cmd}"
     printf '\033[0;32mBEGIN\033[0m %s\n' "${test_file_base}_${test_hash}.out"
     cat "${test_file_base}_${test_hash}.out"
