diff --git a/tests/dlfcn_test.cpp b/tests/dlfcn_test.cpp
index 3b1001a..dfb5e54 100644
--- a/tests/dlfcn_test.cpp
+++ b/tests/dlfcn_test.cpp
@@ -22,7 +22,6 @@
 #include <stdio.h>
 #include <stdint.h>
 
-#include "gtest_ex.h"
 #include "private/ScopeGuard.h"
 
 #include <string>
@@ -376,33 +375,31 @@
   // Test dlopens parent1 which loads and relocates libtest_two_parents_child.so
   // as a second step it dlopens parent2 and dlcloses parent1...
 
-  test_isolated([] {
-    void* handle = dlopen("libtest_two_parents_parent1.so", RTLD_NOW | RTLD_LOCAL);
-    ASSERT_TRUE(handle != nullptr) << dlerror();
+  void* handle = dlopen("libtest_two_parents_parent1.so", RTLD_NOW | RTLD_LOCAL);
+  ASSERT_TRUE(handle != nullptr) << dlerror();
 
-    void* handle2 = dlopen("libtest_two_parents_parent2.so", RTLD_NOW | RTLD_LOCAL);
-    ASSERT_TRUE(handle2 != nullptr) << dlerror();
+  void* handle2 = dlopen("libtest_two_parents_parent2.so", RTLD_NOW | RTLD_LOCAL);
+  ASSERT_TRUE(handle2 != nullptr) << dlerror();
 
-    typedef int (*fn_t) (void);
-    fn_t fn = reinterpret_cast<fn_t>(dlsym(handle2, "check_order_reloc_get_answer"));
-    ASSERT_TRUE(fn != nullptr) << dlerror();
-    ASSERT_EQ(42, fn());
+  typedef int (*fn_t) (void);
+  fn_t fn = reinterpret_cast<fn_t>(dlsym(handle2, "check_order_reloc_get_answer"));
+  ASSERT_TRUE(fn != nullptr) << dlerror();
+  ASSERT_EQ(42, fn());
 
-    ASSERT_EQ(0, dlclose(handle));
+  ASSERT_EQ(0, dlclose(handle));
 
-    handle = dlopen("libtest_two_parents_parent1.so", RTLD_NOW | RTLD_LOCAL | RTLD_NOLOAD);
-    ASSERT_TRUE(handle != nullptr);
-    ASSERT_EQ(0, dlclose(handle));
+  handle = dlopen("libtest_two_parents_parent1.so", RTLD_NOW | RTLD_LOCAL | RTLD_NOLOAD);
+  ASSERT_TRUE(handle != nullptr);
+  ASSERT_EQ(0, dlclose(handle));
 
-    fn = reinterpret_cast<fn_t>(dlsym(handle2, "check_order_reloc_get_answer"));
-    ASSERT_TRUE(fn != nullptr) << dlerror();
-    ASSERT_EQ(42, fn());
+  fn = reinterpret_cast<fn_t>(dlsym(handle2, "check_order_reloc_get_answer"));
+  ASSERT_TRUE(fn != nullptr) << dlerror();
+  ASSERT_EQ(42, fn());
 
-    ASSERT_EQ(0, dlclose(handle2));
+  ASSERT_EQ(0, dlclose(handle2));
 
-    handle = dlopen("libtest_two_parents_parent1.so", RTLD_NOW | RTLD_LOCAL | RTLD_NOLOAD);
-    ASSERT_TRUE(handle == nullptr);
-  });
+  handle = dlopen("libtest_two_parents_parent1.so", RTLD_NOW | RTLD_LOCAL | RTLD_NOLOAD);
+  ASSERT_TRUE(handle == nullptr);
 }
 
 extern "C" int check_order_reloc_root_get_answer_impl() {
@@ -485,25 +482,23 @@
 // libtest_with_dependency_loop_b.so -> libtest_with_dependency_loop_c.so ->
 // libtest_with_dependency_loop_a.so
 TEST(dlfcn, dlopen_check_loop) {
-  test_isolated([] {
-    void* handle = dlopen("libtest_with_dependency_loop.so", RTLD_NOW);
-    ASSERT_TRUE(handle != nullptr) << dlerror();
-    void* f = dlsym(handle, "dlopen_test_loopy_function");
-    ASSERT_TRUE(f != nullptr) << dlerror();
-    EXPECT_TRUE(reinterpret_cast<bool (*)(void)>(f)());
-    ASSERT_EQ(0, dlclose(handle));
+  void* handle = dlopen("libtest_with_dependency_loop.so", RTLD_NOW);
+  ASSERT_TRUE(handle != nullptr) << dlerror();
+  void* f = dlsym(handle, "dlopen_test_loopy_function");
+  ASSERT_TRUE(f != nullptr) << dlerror();
+  EXPECT_TRUE(reinterpret_cast<bool (*)(void)>(f)());
+  ASSERT_EQ(0, dlclose(handle));
 
-    // dlopen second time to make sure that the library was unloaded correctly
-    handle = dlopen("libtest_with_dependency_loop.so", RTLD_NOW | RTLD_NOLOAD);
-    ASSERT_TRUE(handle == nullptr);
+  // dlopen second time to make sure that the library was unloaded correctly
+  handle = dlopen("libtest_with_dependency_loop.so", RTLD_NOW | RTLD_NOLOAD);
+  ASSERT_TRUE(handle == nullptr);
 #ifdef __BIONIC__
-    // TODO: glibc returns nullptr on dlerror() here. Is it bug?
-    ASSERT_STREQ("dlopen failed: library \"libtest_with_dependency_loop.so\" wasn't loaded and RTLD_NOLOAD prevented it", dlerror());
+  // TODO: glibc returns nullptr on dlerror() here. Is it bug?
+  ASSERT_STREQ("dlopen failed: library \"libtest_with_dependency_loop.so\" wasn't loaded and RTLD_NOLOAD prevented it", dlerror());
 #endif
 
-    handle = dlopen("libtest_with_dependency_a.so", RTLD_NOW | RTLD_NOLOAD);
-    ASSERT_TRUE(handle == nullptr);
-  });
+  handle = dlopen("libtest_with_dependency_a.so", RTLD_NOW | RTLD_NOLOAD);
+  ASSERT_TRUE(handle == nullptr);
 }
 
 TEST(dlfcn, dlopen_nodelete) {
@@ -830,15 +825,13 @@
 }
 
 TEST(dlfcn, dlopen_undefined_weak_func) {
-  test_isolated([] {
-    void* handle = dlopen("libtest_dlopen_weak_undefined_func.so", RTLD_NOW);
-    ASSERT_TRUE(handle != nullptr) << dlerror();
-    int (*weak_func)();
-    weak_func = reinterpret_cast<int (*)()>(dlsym(handle, "use_weak_undefined_func"));
-    ASSERT_TRUE(weak_func != nullptr) << dlerror();
-    EXPECT_EQ(6551, weak_func());
-    dlclose(handle);
-  });
+  void* handle = dlopen("libtest_dlopen_weak_undefined_func.so", RTLD_NOW);
+  ASSERT_TRUE(handle != nullptr) << dlerror();
+  int (*weak_func)();
+  weak_func = reinterpret_cast<int (*)()>(dlsym(handle, "use_weak_undefined_func"));
+  ASSERT_TRUE(weak_func != nullptr) << dlerror();
+  EXPECT_EQ(6551, weak_func());
+  dlclose(handle);
 }
 
 TEST(dlfcn, dlopen_symlink) {