diff --git a/Makefile b/Makefile
index 9b9f3e5..ced0d28 100644
--- a/Makefile
+++ b/Makefile
@@ -224,26 +224,26 @@ test-dir-destination-chint:
 test-fixed-intervals: $(CCOLLECT_SOURCE) test-dir-source test-dir-destination test-dir-destination-chint
 	for s in ./test/conf/sources/*; do \
 		CCOLLECT_CONF=./test/conf ./ccollect -l ${TEST_LOG_FILE} daily "$$(basename $$s)"; \
-		test "$$(ls -1 /tmp/ccollect/backup | wc -l)" -gt "0"; \
+		test "$$(ls -1 /tmp/ccollect/backup | wc -l)" -gt "0" || { cat ${TEST_LOG_FILE}; exit 1; }; \
 	done
 	CCOLLECT_CONF=./test/conf ./ccollect -l ${TEST_LOG_FILE} -a -v daily
-	test "$$(ls -1 /tmp/ccollect/backup | wc -l)" -gt "0"
+	test "$$(ls -1 /tmp/ccollect/backup | wc -l)" -gt "0" || { cat ${TEST_LOG_FILE}; exit 1; }
 	CCOLLECT_CONF=./test/conf ./ccollect -l ${TEST_LOG_FILE} -a -p daily
-	test "$$(ls -1 /tmp/ccollect/backup | wc -l)" -gt "0"
+	test "$$(ls -1 /tmp/ccollect/backup | wc -l)" -gt "0" || { cat ${TEST_LOG_FILE}; exit 1; }
 	@printf "\nFixed intervals test ended successfully\n"
 
 test-interval-changing: $(CCOLLECT_SOURCE) test-dir-source test-dir-destination-chint
 	rm -rf /tmp/ccollect/backup-chint/*
-	test "$$(ls -1 /tmp/ccollect/backup-chint | wc -l)" -eq "0"
+	test "$$(ls -1 /tmp/ccollect/backup-chint | wc -l)" -eq "0" || { cat ${TEST_LOG_FILE}; exit 1; }
 	printf "3" > ./test/conf/sources/local-with-interval/intervals/daily
 	for x in 1 2 3 4 5; do CCOLLECT_CONF=./test/conf ./ccollect -l ${TEST_LOG_FILE} daily local-with-interval; done
-	test "$$(ls -1 /tmp/ccollect/backup-chint | wc -l)" -eq "3"
+	test "$$(ls -1 /tmp/ccollect/backup-chint | wc -l)" -eq "3" || { cat ${TEST_LOG_FILE}; exit 1; }
 	printf "5" > ./test/conf/sources/local-with-interval/intervals/daily
 	for x in 1 2 3 4 5 6 7; do CCOLLECT_CONF=./test/conf ./ccollect -l ${TEST_LOG_FILE} daily local-with-interval; done
-	test "$$(ls -1 /tmp/ccollect/backup-chint | wc -l)" -eq "5"
+	test "$$(ls -1 /tmp/ccollect/backup-chint | wc -l)" -eq "5" || { cat ${TEST_LOG_FILE}; exit 1; }
 	printf "4" > ./test/conf/sources/local-with-interval/intervals/daily
 	for x in 1 2 3 4 5 6; do CCOLLECT_CONF=./test/conf ./ccollect -l ${TEST_LOG_FILE} daily local-with-interval; done
-	test "$$(ls -1 /tmp/ccollect/backup-chint | wc -l)" -eq "4"
+	test "$$(ls -1 /tmp/ccollect/backup-chint | wc -l)" -eq "4" || { cat ${TEST_LOG_FILE}; exit 1; }
 	printf "3" > ./test/conf/sources/local-with-interval/intervals/daily
 	@printf "\nInterval changing test ended successfully\n"
 
diff --git a/test/conf/defaults/post_exec b/test/conf/defaults/post_exec
index 8aee58f..0dac0ed 100755
--- a/test/conf/defaults/post_exec
+++ b/test/conf/defaults/post_exec
@@ -1,5 +1,3 @@
-#!/bin/cat
+#!/bin/sh
 
-######################################################################
-General post_exec executed.
-######################################################################
+echo 'General post_exec executed.'
diff --git a/test/conf/defaults/pre_exec b/test/conf/defaults/pre_exec
index ecd2857..451fdad 100755
--- a/test/conf/defaults/pre_exec
+++ b/test/conf/defaults/pre_exec
@@ -1,5 +1,3 @@
-#!/bin/cat
+#!/bin/sh
 
-######################################################################
-General pre__exec executed.
-######################################################################
+echo 'General pre__exec executed.'