selftests: breakpoint_test: Add missing line breaks

Add missing line breaks between the last two tests.
Signed-off-by: NShuah Khan <shuahkh@osg.samsung.com>

tools/testing/selftests/breakpoints/breakpoint_test.c

@@ -367,11 +367,11 @@ static void launch_tests(void)
 
 	/* Icebp traps */
 	ptrace(PTRACE_CONT, child_pid, NULL, 0);
-	check_success("Test icebp");
+	check_success("Test icebp\n");
 
 	/* Int 3 traps */
 	ptrace(PTRACE_CONT, child_pid, NULL, 0);
-	check_success("Test int 3 trap");
+	check_success("Test int 3 trap\n");
 
 	ptrace(PTRACE_CONT, child_pid, NULL, 0);
 }