diff --git a/.gitea/workflows/test.yml b/.gitea/workflows/test.yml
index 8500031..714d620 100644
--- a/.gitea/workflows/test.yml
+++ b/.gitea/workflows/test.yml
@@ -4,9 +4,6 @@ jobs:
   build-images:
     runs-on: host-arch-x86_64
     steps:
-      - name: Debug print
-        run: echo '${{ toJson(gitea) }}'
-
       - name: Clone repository
         run: git clone --revision ${{ gitea.sha }} --depth 1 ${{ gitea.server_url }}/${{ gitea.repository }}
 
@@ -17,12 +14,9 @@ jobs:
   run-tests:
     runs-on: host-arch-x86_64
     needs: build-images
-    #container: local/alpine-gcc:latest
     steps:
       - name: Clone repository
         run: git clone --revision ${{ gitea.sha }} --depth 1 ${{ gitea.server_url }}/${{ gitea.repository }}
 
-      - run: ls -lh test5
-
       - name: Run tests
         run: docker run -it --rm -v ./test5:/app local/alpine-gcc-${{gitea.ref_name}}:latest
diff --git a/f.c b/f.c
index 64d58e5..18c3382 100644
--- a/f.c
+++ b/f.c
@@ -6,7 +6,7 @@ size_t free_counter;
 
 void * TEST_MALLOC(size_t size)
 {
-	printf("malloc'ed %lu\n", size);
+	//printf("malloc'ed %lu\n", size);
 
 	malloc_counter += size;
 	return malloc(size);
@@ -15,7 +15,7 @@ void * TEST_MALLOC(size_t size)
 void TEST_FREE(void *p)
 {
 	size_t s = malloc_usable_size(p);
-	printf("freed %lu\n", s);
+	//printf("freed %lu\n", s);
 
 	free_counter += s;
 
diff --git a/test.sh b/test.sh
index c14bb92..4424c81 100755
--- a/test.sh
+++ b/test.sh
@@ -1,4 +1,7 @@
 #!/bin/sh
 
-gcc f.c -o f
-./f
+export OPT=s && echo $OPT && gcc f.c -O$OPT -o f && ./f
+export OPT=0 && echo $OPT && gcc f.c -O$OPT -o f && ./f
+export OPT=1 && echo $OPT && gcc f.c -O$OPT -o f && ./f
+export OPT=2 && echo $OPT && gcc f.c -O$OPT -o f && ./f
+export OPT=3 && echo $OPT && gcc f.c -O$OPT -o f && ./f