small adjust to tests

unitests.sh

@@ -1,6 +1,8 @@
 #!/bin/bash
 cd $(dirname $0)
 
+MINISHELL="../minishell"
+
 # COLORS
 	RED="\e[0;31m"
 	GREEN="\e[0;32m"
@@ -21,7 +23,7 @@ cd $(dirname $0)
 	ENDCO="\e[0m"
 
 # copy the executable to current directory
-	cp ../../minishell .
+	cp $MINISHELL .
 
 # globale variables
 	UNIT_TEST=0