test-runner: increase test count to 10000, improve output

test-sourceme.sh

@@ -2,7 +2,7 @@
 
 # DO NOT RUN THIS, SOURCE IT FROM YOUR TERMINAL (idk why it needs this)
 
-for ((i=0; i < 1000; ++i)); do
+for ((i=0; i < 10000; ++i)); do
    if timeout -s INT 0.8 ./mutex.out > /dev/null
       # if grep -q 'Post: count: 99'; then
       #    : # good result
@@ -19,6 +19,9 @@ for ((i=0; i < 1000; ++i)); do
       if ((i % 100 == 99)); then
          echo -n .
       fi
+      if ((i % 1000 == 999)); then
+         echo " $((i + 1))"
+      fi
    else
       echo -n "-ERROR on take ${i}: $e-"
       e=