Rename tests/ -> test/ and update internal refs.

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>

test/progress.c

@@ -0,0 +1,50 @@
+#include <stdlib.h>		/* atexit() */
+#include <unistd.h>		/* usleep() */
+
+#include "check.h"
+
+#define MAX_WIDTH    80
+#define msleep(msec) usleep(msec * 1000)
+
+static void bye(void)
+{
+	showcursor();
+}
+
+static void testit(int fn, int percent)
+{
+	if (fn)
+		progress(percent, MAX_WIDTH);
+	else
+		progress_simple(percent);
+}
+
+static void run_test(int fn)
+{
+	int i, percent, block = 0, num = 85;
+
+	while (block < num) {
+		percent = block * 100 / num;
+		for (i = 0; i < 10; i++) {
+			testit(fn, percent);
+			msleep(1);
+		}
+		block++;
+		msleep(1);
+	}
+	testit(fn, 100);
+}
+
+int main(void)
+{
+	atexit(bye);
+	hidecursor();
+
+	printf("\nAdvanced:\n");
+	run_test(1);
+	printf("\nSimple:\n");
+	run_test(0);
+	printf("\n");
+
+	return 0;
+}