tests: use shasum to avoid rarer dependency

tests/test_cli/test.sh

@@ -10,29 +10,29 @@ DIR="$( cd -P "$( dirname "$SOURCE" )/../.." && pwd )"
 cd "$DIR" || exit
 
 function testExample() {
-    N=$1
-    INPUT=$2
-    APP="$3 $4"
-
-    echo "Example $N: $APP"
-    $APP &> /dev/null &
-    sleep 2
-    abci-cli --log_level=error --verbose batch < "$INPUT" > "${INPUT}.out.new"
-    killall "$3"
-
-    pre=$(sha256sum < "${INPUT}.out")
-    post=$(sha256sum < "${INPUT}.out.new")
-
-    if [[ "$pre" != "$post" ]]; then
-        echo "You broke the tutorial"
-        echo "Got:"
-        cat "${INPUT}.out.new"
-        echo "Expected:"
-        cat "${INPUT}.out"
-        exit 1
-    fi
-
-    rm "${INPUT}".out.new
+	N=$1
+	INPUT=$2
+	APP="$3 $4"
+
+	echo "Example $N: $APP"
+	$APP &> /dev/null &
+	sleep 2
+	abci-cli --log_level=error --verbose batch < "$INPUT" > "${INPUT}.out.new"
+	killall "$3"
+
+	pre=$(shasum < "${INPUT}.out")
+	post=$(shasum < "${INPUT}.out.new")
+
+	if [[ "$pre" != "$post" ]]; then
+		echo "You broke the tutorial"
+		echo "Got:"
+		cat "${INPUT}.out.new"
+		echo "Expected:"
+		cat "${INPUT}.out"
+		exit 1
+	fi
+
+	rm "${INPUT}".out.new
 }
 
 testExample 1 tests/test_cli/ex1.abci abci-cli dummy