diff --git a/tests/tests_i915_gpu.rs b/tests/tests_i915_gpu.rs
index 88a35c0..b651c69 100644
--- a/tests/tests_i915_gpu.rs
+++ b/tests/tests_i915_gpu.rs
@@ -126,4 +126,12 @@ fn test_i915_gpu_gem_has_tiling() {
     let device = i915::find_device().expect("Failed to find i915 device");
     let gem = i915::GemHandle::new(&device.node, 4096).expect("Failed to create gem handle");
     assert!(gem.has_tiling().unwrap());
+}
+
+#[test]
+fn test_i915_gpu_fences() {
+    let device = i915::find_device().expect("Failed to find i915 device");
+    let num_fences = device.get_param(native::I915_PARAM_NUM_FENCES_AVAIL).expect("Failed to get fences");
+    println!("Number of fences: {}", num_fences);
+    assert!(num_fences > 0);
 }
\ No newline at end of file
diff --git a/tests/tests_raw.rs b/tests/tests_raw.rs
index 6eecdae..81499ce 100644
--- a/tests/tests_raw.rs
+++ b/tests/tests_raw.rs
@@ -1,6 +1,5 @@
 use intel_gpu::*;
 use std::ffi::c_void;
-use std::ffi::CStr;
 use nix::{self};
 
 #[test]
@@ -28,13 +27,6 @@ fn test_raw_drm_version() {
             desc_len: 128,
         };
         assert!(libc::ioctl(fd, native::DRM_IOCTL_VERSION, &mut version) == 0);
-        println!("version_major: {}, version_minor: {}, version_patchlevel: {}, name: {:?}, date: {:?}, desc: {:?}", 
-            version.version_major, 
-            version.version_minor, 
-            version.version_patchlevel, 
-            CStr::from_ptr(version.name), 
-            CStr::from_ptr(version.date), 
-            CStr::from_ptr(version.desc));
     }
 }
 
diff --git a/tests/tests_uapi.rs b/tests/tests_uapi.rs
index beaefed..359ab35 100644
--- a/tests/tests_uapi.rs
+++ b/tests/tests_uapi.rs
@@ -1,9 +1,11 @@
 #![allow(unused_imports)]
 
+use gpu::i915::GemHandle;
 use intel_gpu::*;
-use uapi::i915;
+use uapi::i915::{self, DrmGemHandle};
 use std::fs;
 use std::{fs::File, os::fd::{AsRawFd, RawFd}};
+use std::thread;
 
 #[test]
 fn test_i915_uapi_get_version() {
@@ -78,4 +80,26 @@ fn test_i915_uapi_gem_tiling() {
     // TODO figure out which devices this holds for
     assert!(i915::gem_has_tiling(node.fd.as_raw_fd(), &gem).is_ok_and(|e| e == true));
     i915::close_gem(node.fd.as_raw_fd(), gem).expect("Failed to close gem");
+}
+
+#[test]
+fn test_i915_uapi_gem_caching() {
+    let node = i915::find_node().expect("Failed to find i915 fd");
+    let gem = i915::make_gem(node.fd.as_raw_fd(), 4096).expect("Failed to make gem");
+    let caching = i915::gem_get_caching(node.fd.as_raw_fd(), &gem).expect("Failed to get caching");
+    assert!(caching > 0);
+    i915::close_gem(node.fd.as_raw_fd(), gem).expect("Failed to close gem");
+}
+
+#[test]
+fn test_i915_uapi_gem_thread() {
+    let node = i915::find_node().expect("Failed to find i915 fd");
+    let gem = i915::make_gem(node.fd.as_raw_fd(), 4096).expect("Failed to make gem");
+    thread::scope(|s| {
+        let handle = s.spawn(|| {
+            assert!(i915::gem_is_valid(node.fd.as_raw_fd(), &gem).unwrap());
+        });
+        assert!(i915::gem_is_valid(node.fd.as_raw_fd(), &gem).unwrap());
+        handle.join().expect("Failed to join thread");
+    });
 }
\ No newline at end of file