Index: src/tests/concurrent/coroutineYield.c
===================================================================
--- src/tests/concurrent/coroutineYield.c	(revision b68fc85c385c78a719e38cee61d4235739c22591)
+++ src/tests/concurrent/coroutineYield.c	(revision dd226e352c29d5c532c8a9fc0ebd7042831afc2b)
@@ -3,4 +3,13 @@
 #include <stdlib>
 #include <thread>
+#include <time>
+
+#ifndef PREEMPTION_RATE
+#define PREEMPTION_RATE 10`ms
+#endif
+
+Duration default_preemption() {
+	return PREEMPTION_RATE;
+}
 
 #ifdef LONG_TEST
Index: src/tests/concurrent/signal/block.c
===================================================================
--- src/tests/concurrent/signal/block.c	(revision b68fc85c385c78a719e38cee61d4235739c22591)
+++ src/tests/concurrent/signal/block.c	(revision dd226e352c29d5c532c8a9fc0ebd7042831afc2b)
@@ -14,10 +14,4 @@
 #include <time>
 
-#ifdef LONG_TEST
-static const unsigned long N = 150_000ul;
-#else
-static const unsigned long N = 5_000ul;
-#endif
-
 #ifndef PREEMPTION_RATE
 #define PREEMPTION_RATE 10`ms
@@ -27,4 +21,10 @@
 	return PREEMPTION_RATE;
 }
+
+#ifdef LONG_TEST
+static const unsigned long N = 150_000ul;
+#else
+static const unsigned long N = 5_000ul;
+#endif
 
 enum state_t { WAITED, SIGNAL, BARGE };
Index: src/tests/concurrent/signal/disjoint.c
===================================================================
--- src/tests/concurrent/signal/disjoint.c	(revision b68fc85c385c78a719e38cee61d4235739c22591)
+++ src/tests/concurrent/signal/disjoint.c	(revision dd226e352c29d5c532c8a9fc0ebd7042831afc2b)
@@ -4,10 +4,4 @@
 #include <thread>
 #include <time>
-
-#ifdef LONG_TEST
-static const unsigned long N = 300_000ul;
-#else
-static const unsigned long N = 10_000ul;
-#endif
 
 #ifndef PREEMPTION_RATE
@@ -18,4 +12,10 @@
 	return PREEMPTION_RATE;
 }
+
+#ifdef LONG_TEST
+static const unsigned long N = 300_000ul;
+#else
+static const unsigned long N = 10_000ul;
+#endif
 
 enum state_t { WAIT, SIGNAL, BARGE };
Index: src/tests/concurrent/signal/wait.c
===================================================================
--- src/tests/concurrent/signal/wait.c	(revision b68fc85c385c78a719e38cee61d4235739c22591)
+++ src/tests/concurrent/signal/wait.c	(revision dd226e352c29d5c532c8a9fc0ebd7042831afc2b)
@@ -12,10 +12,4 @@
 #include <time>
 
-#ifdef LONG_TEST
-static const unsigned long N = 375_000ul;
-#else
-static const unsigned long N = 2_500ul;
-#endif
-
 #ifndef PREEMPTION_RATE
 #define PREEMPTION_RATE 10`ms
@@ -25,4 +19,10 @@
 	return PREEMPTION_RATE;
 }
+
+#ifdef LONG_TEST
+static const unsigned long N = 375_000ul;
+#else
+static const unsigned long N = 2_500ul;
+#endif
 
 monitor global_t {};