Add NoRandomSave to tests with correctness DisableSave

Tests using DisableSave because a portion of the test is *incompatible*
with S/R clearly cannot use random S/R, as the saves may occur in the
DisableSave critical section.

Most such tests already have NoRandomSave. Add it to the rest.

PiperOrigin-RevId: 236914708
Change-Id: Iee1cf044cfa7cb8d5aba21ddc130926218210c48

test/syscalls/linux/flock.cc

@@ -431,7 +431,7 @@ TEST_F(FlockTest, TestDupFdFollowedByLock) {
 // NOTE: These blocking tests are not perfect. Unfortunantely it's very hard to
 // determine if a thread was actually blocked in the kernel so we're forced
 // to use timing.
-TEST_F(FlockTest, BlockingLockNoBlockingForSharedLocks) {
+TEST_F(FlockTest, BlockingLockNoBlockingForSharedLocks_NoRandomSave) {
   // This test will verify that although LOCK_NB isn't specified
   // two different fds can obtain shared locks without blocking.
   ASSERT_THAT(flock(test_file_fd_.get(), LOCK_SH), SyscallSucceeds());
@@ -471,7 +471,7 @@ TEST_F(FlockTest, BlockingLockNoBlockingForSharedLocks) {
   EXPECT_THAT(flock(test_file_fd_.get(), LOCK_UN), SyscallSucceeds());
 }
 
-TEST_F(FlockTest, BlockingLockFirstSharedSecondExclusive) {
+TEST_F(FlockTest, BlockingLockFirstSharedSecondExclusive_NoRandomSave) {
   // This test will verify that if someone holds a shared lock any attempt to
   // obtain an exclusive lock will result in blocking.
   ASSERT_THAT(flock(test_file_fd_.get(), LOCK_SH), SyscallSucceeds());
@@ -508,7 +508,7 @@ TEST_F(FlockTest, BlockingLockFirstSharedSecondExclusive) {
   EXPECT_THAT(flock(test_file_fd_.get(), LOCK_UN), SyscallSucceeds());
 }
 
-TEST_F(FlockTest, BlockingLockFirstExclusiveSecondShared) {
+TEST_F(FlockTest, BlockingLockFirstExclusiveSecondShared_NoRandomSave) {
   // This test will verify that if someone holds an exclusive lock any attempt
   // to obtain a shared lock will result in blocking.
   ASSERT_THAT(flock(test_file_fd_.get(), LOCK_EX), SyscallSucceeds());
@@ -545,7 +545,7 @@ TEST_F(FlockTest, BlockingLockFirstExclusiveSecondShared) {
   EXPECT_THAT(flock(test_file_fd_.get(), LOCK_UN), SyscallSucceeds());
 }
 
-TEST_F(FlockTest, BlockingLockFirstExclusiveSecondExclusive) {
+TEST_F(FlockTest, BlockingLockFirstExclusiveSecondExclusive_NoRandomSave) {
   // This test will verify that if someone holds an exclusive lock any attempt
   // to obtain another exclusive lock will result in blocking.
   ASSERT_THAT(flock(test_file_fd_.get(), LOCK_EX), SyscallSucceeds());

test/syscalls/linux/inotify.cc

@@ -1072,7 +1072,7 @@ TEST(Inotify, ChmodGeneratesAttribEvent_NoRandomSave) {
   };
 
   // Don't do cooperative S/R tests for any of the {f}chmod* syscalls below, the
-  // test will always fail because nodes cannot be saved when they have stricted
+  // test will always fail because nodes cannot be saved when they have stricter
   // permissions than the original host node.
   const DisableSave ds;
 

test/syscalls/linux/open.cc

@@ -293,7 +293,7 @@ TEST_F(OpenTest, CanTruncateReadOnly) {
 
 // If we don't have read permission on the file, opening with
 // O_TRUNC should fail.
-TEST_F(OpenTest, CanTruncateReadOnlyNoWritePermission) {
+TEST_F(OpenTest, CanTruncateReadOnlyNoWritePermission_NoRandomSave) {
   // Drop capabilities that allow us to override file permissions.
   ASSERT_NO_ERRNO(SetCapability(CAP_DAC_OVERRIDE, false));
 
@@ -314,7 +314,7 @@ TEST_F(OpenTest, CanTruncateReadOnlyNoWritePermission) {
 
 // If we don't have read permission but have write permission, opening O_WRONLY
 // and O_TRUNC should succeed.
-TEST_F(OpenTest, CanTruncateWriteOnlyNoReadPermission) {
+TEST_F(OpenTest, CanTruncateWriteOnlyNoReadPermission_NoRandomSave) {
   const DisableSave ds;  // Permissions are dropped.
 
   EXPECT_THAT(fchmod(test_file_fd_.get(), S_IWUSR | S_IWGRP),

test/syscalls/linux/stat.cc

@@ -278,7 +278,7 @@ TEST_F(StatTest, LinkCountsWithRegularFileChild) {
 
 // This test verifies that inodes remain around when there is an open fd
 // after link count hits 0.
-TEST_F(StatTest, ZeroLinksOpenFdRegularFileChild) {
+TEST_F(StatTest, ZeroLinksOpenFdRegularFileChild_NoRandomSave) {
   // Setting the enviornment variable GVISOR_GOFER_UNCACHED to any value
   // will prevent this test from running, see the tmpfs lifecycle.
   //

test/syscalls/linux/unlink.cc

@@ -160,7 +160,7 @@ TEST(UnlinkTest, AtFile) {
   EXPECT_THAT(unlinkat(dirfd, "UnlinkAtFile", 0), SyscallSucceeds());
 }
 
-TEST(UnlinkTest, OpenFile) {
+TEST(UnlinkTest, OpenFile_NoRandomSave) {
   // We can't save unlinked file unless they are on tmpfs.
   const DisableSave ds;
   auto file = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile());