tests: streamline module names to unit_tests

This better aligns with the rest of the code and makes it clearer
that these tests can run "as is" in a normal hosted environments
without the special test environment.

Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
On-behalf-of: SAP philipp.schuster@sap.com

vmm/src/config.rs

@@ -3170,7 +3170,7 @@ impl Drop for VmConfig {
 }
 
 #[cfg(test)]
-mod tests {
+mod unit_tests {
     use std::fs::File;
     use std::os::unix::io::AsRawFd;
 

vmm/src/cpu.rs

@@ -2992,7 +2992,7 @@ impl CpuElf64Writable for CpuManager {
 
 #[cfg(all(feature = "kvm", target_arch = "x86_64"))]
 #[cfg(test)]
-mod tests {
+mod unit_tests {
     use arch::layout::{BOOT_STACK_POINTER, ZERO_PAGE_START};
     use arch::x86_64::interrupts::*;
     use arch::x86_64::regs::*;
@@ -3140,7 +3140,7 @@ mod tests {
 
 #[cfg(target_arch = "aarch64")]
 #[cfg(test)]
-mod tests {
+mod unit_tests {
     #[cfg(feature = "kvm")]
     use std::{mem, mem::offset_of};
 

vmm/src/device_manager.rs

@@ -5496,7 +5496,7 @@ impl Drop for DeviceManager {
 }
 
 #[cfg(test)]
-mod tests {
+mod unit_tests {
     use super::*;
 
     #[test]

vmm/src/device_tree.rs

@@ -152,7 +152,7 @@ impl DoubleEndedIterator for BftIter<'_> {
 }
 
 #[cfg(test)]
-mod tests {
+mod unit_tests {
     use super::{DeviceNode, DeviceTree};
 
     #[test]

vmm/src/vm.rs

@@ -3167,7 +3167,7 @@ impl GuestDebuggable for Vm {
 
 #[cfg(all(feature = "kvm", target_arch = "x86_64"))]
 #[cfg(test)]
-mod tests {
+mod unit_tests {
     use super::*;
 
     fn test_vm_state_transitions(state: VmState) {
@@ -3443,7 +3443,7 @@ mod tests {
 
 #[cfg(target_arch = "aarch64")]
 #[cfg(test)]
-mod tests {
+mod unit_tests {
     use arch::aarch64::fdt::create_fdt;
     use arch::aarch64::layout;
     use arch::{DeviceType, MmioDeviceInfo};