Remove unnecessary tests

.gitignore

@@ -23,6 +23,3 @@
 /test-suite.log
 /tests/test*.log
 /tests/test*.trs
-
-/tests/hang
-/tests/test_hang_segfault

Makefile.am

@@ -5,22 +5,15 @@ AM_CFLAGS = -std=c99 -I$(top_srcdir)/include
 lib_LIBRARIES = libkernaux.a
 
 TESTS = \
-	tests/test_hang_segfault \
 	tests/test_multiboot2_validation
 
-noinst_PROGRAMS = \
-	$(TESTS) \
-	tests/hang
+noinst_PROGRAMS = $(TESTS)
 
 libkernaux_a_SOURCES = \
 	src/arch/i386.S \
 	src/multiboot2.c \
 	src/pfa.c
 
-tests_hang_SOURCES = $(libkernaux_a_SOURCES) tests/hang.c
-
-tests_test_hang_segfault_SOURCES = tests/test_hang_segfault.c
-
 tests_test_multiboot2_validation_SOURCES = \
 	$(libkernaux_a_SOURCES) \
 	tests/test_multiboot2_validation.c

tests/hang.c

@@ -1,8 +0,0 @@
-#include <kernaux/arch/i386.h>
-
-int main()
-{
-    kernaux_arch_i386_hang();
-
-    return 0;
-}

tests/test_hang_segfault.c

@@ -1,22 +0,0 @@
-#include <assert.h>
-#include <string.h>
-#include <unistd.h>
-
-#define __USE_POSIX2
-#include <stdio.h>
-
-int main()
-{
-    FILE *const fd = popen("tests/hang 2>&1", "r");
-    assert(fd != NULL);
-
-    char buffer[256];
-    char *const result = fgets(buffer, 256, fd);
-    assert(result == buffer);
-    assert(0 == strncmp(result, "Segmentation fault (core dumped)\n", 256));
-
-    const int status = pclose(fd);
-    assert(status != 0);
-
-    return 0;
-}