Tests/VFP: Use a standalone pagetable for the TestEnvironment memory operations.

This fixes building the tests

src/tests/core/arm/arm_test_common.cpp

@@ -3,20 +3,30 @@
 // Refer to the license.txt file included.
 
 #include "core/core.h"
+#include "core/memory.h"
 #include "core/memory_setup.h"
 #include "tests/core/arm/arm_test_common.h"
 
 namespace ArmTests {
 
+static Memory::PageTable page_table;
+
 TestEnvironment::TestEnvironment(bool mutable_memory_)
     : mutable_memory(mutable_memory_), test_memory(std::make_shared<TestMemory>(this)) {
-    Memory::MapIoRegion(0x00000000, 0x80000000, test_memory);
-    Memory::MapIoRegion(0x80000000, 0x80000000, test_memory);
+
+    page_table.pointers.fill(nullptr);
+    page_table.attributes.fill(Memory::PageType::Unmapped);
+    page_table.cached_res_count.fill(0);
+
+    Memory::MapIoRegion(page_table, 0x00000000, 0x80000000, test_memory);
+    Memory::MapIoRegion(page_table, 0x80000000, 0x80000000, test_memory);
+
+    Memory::current_page_table = &page_table;
 }
 
 TestEnvironment::~TestEnvironment() {
-    Memory::UnmapRegion(0x80000000, 0x80000000);
-    Memory::UnmapRegion(0x00000000, 0x80000000);
+    Memory::UnmapRegion(page_table, 0x80000000, 0x80000000);
+    Memory::UnmapRegion(page_table, 0x00000000, 0x80000000);
 }
 
 void TestEnvironment::SetMemory64(VAddr vaddr, u64 value) {