tests: rename TICKS_UNLIMITED -> K_FOREVER

Change-Id: I1d65c7a0302b2dda0bc23e38f94f7be51de0f917
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
diff --git a/tests/benchmarks/sys_kernel/README.txt b/tests/benchmarks/sys_kernel/README.txt
index 269d2ef..62cb1d6 100644
--- a/tests/benchmarks/sys_kernel/README.txt
+++ b/tests/benchmarks/sys_kernel/README.txt
@@ -40,7 +40,7 @@
 TEST CASE: Semaphore #1
 TEST COVERAGE:
         k_sem_init
-        k_sem_take(TICKS_UNLIMITED)
+        k_sem_take(K_FOREVER)
         k_sem_give
 Starting test. Please wait...
 TEST RESULT: SUCCESSFUL
@@ -61,10 +61,10 @@
 TEST CASE: Semaphore #3
 TEST COVERAGE:
         k_sem_init
-        k_sem_take(TICKS_UNLIMITED)
+        k_sem_take(K_FOREVER)
         k_sem_give
         k_sem_give
-        k_sem_take(TICKS_UNLIMITED)
+        k_sem_take(K_FOREVER)
 Starting test. Please wait...
 TEST RESULT: SUCCESSFUL
 DETAILS: Average time for 1 iteration: NNNN nSec
@@ -141,7 +141,7 @@
 TEST CASE: Stack #1
 TEST COVERAGE:
         k_stack_init
-        k_stack_pop(TICKS_UNLIMITED)
+        k_stack_pop(K_FOREVER)
         k_stack_push
 Starting test. Please wait...
 TEST RESULT: SUCCESSFUL
@@ -151,7 +151,7 @@
 TEST CASE: Stack #2
 TEST COVERAGE:
         k_stack_init
-        k_stack_pop(TICKS_UNLIMITED)
+        k_stack_pop(K_FOREVER)
         k_stack_pop
         k_stack_push
         k_yield
@@ -163,9 +163,9 @@
 TEST CASE: Stack #3
 TEST COVERAGE:
         k_stack_init
-        k_stack_pop(TICKS_UNLIMITED)
+        k_stack_pop(K_FOREVER)
         k_stack_push
-        k_stack_pop(TICKS_UNLIMITED)
+        k_stack_pop(K_FOREVER)
         k_stack_push
 Starting test. Please wait...
 TEST RESULT: SUCCESSFUL
diff --git a/tests/benchmarks/sys_kernel/src/sema.c b/tests/benchmarks/sys_kernel/src/sema.c
index 77d4660..801b16e 100644
--- a/tests/benchmarks/sys_kernel/src/sema.c
+++ b/tests/benchmarks/sys_kernel/src/sema.c
@@ -115,7 +115,7 @@
 			"Semaphore #1");
 	fprintf(output_file, sz_description,
 			"\n\tk_sem_init"
-			"\n\tk_sem_take(TICKS_UNLIMITED)"
+			"\n\tk_sem_take(K_FOREVER)"
 			"\n\tk_sem_give");
 	printf(sz_test_start_fmt);
 
@@ -163,10 +163,10 @@
 			"Semaphore #3");
 	fprintf(output_file, sz_description,
 			"\n\tk_sem_init"
-			"\n\tk_sem_take(TICKS_UNLIMITED)"
+			"\n\tk_sem_take(K_FOREVER)"
 			"\n\tk_sem_give"
 			"\n\tk_sem_give"
-			"\n\tk_sem_take(TICKS_UNLIMITED)");
+			"\n\tk_sem_take(K_FOREVER)");
 	printf(sz_test_start_fmt);
 
 	sema_test_init();
diff --git a/tests/benchmarks/sys_kernel/src/stack.c b/tests/benchmarks/sys_kernel/src/stack.c
index 9ae9666..e596dd7 100644
--- a/tests/benchmarks/sys_kernel/src/stack.c
+++ b/tests/benchmarks/sys_kernel/src/stack.c
@@ -149,7 +149,7 @@
 			"Stack #1");
 	fprintf(output_file, sz_description,
 			"\n\tk_stack_init"
-			"\n\tk_stack_pop(TICKS_UNLIMITED)"
+			"\n\tk_stack_pop(K_FOREVER)"
 			"\n\tk_stack_push");
 	printf(sz_test_start_fmt);
 
@@ -173,7 +173,7 @@
 			"Stack #2");
 	fprintf(output_file, sz_description,
 			"\n\tk_stack_init"
-			"\n\tk_stack_pop(TICKS_UNLIMITED)"
+			"\n\tk_stack_pop(K_FOREVER)"
 			"\n\tk_stack_pop"
 			"\n\tk_stack_push"
 			"\n\tk_yield");
@@ -202,9 +202,9 @@
 			"Stack #3");
 	fprintf(output_file, sz_description,
 			"\n\tk_stack_init"
-			"\n\tk_stack_pop(TICKS_UNLIMITED)"
+			"\n\tk_stack_pop(K_FOREVER)"
 			"\n\tk_stack_push"
-			"\n\tk_stack_pop(TICKS_UNLIMITED)"
+			"\n\tk_stack_pop(K_FOREVER)"
 			"\n\tk_stack_push");
 	printf(sz_test_start_fmt);