Remove redundant bitmap init tests

Co-authored-by: AsakuraMizu <17076564+AsakuraMizu@users.noreply.github.com>

Author: Copilot

src/bitmap.rs

@@ -349,54 +349,6 @@ mod tests {
         }
     }
 
-    #[test]
-    fn test_init_nonzero_start_address() {
-        // Test with non-zero start address that fits within capacity.
-        // With BitAlloc1M in test mode (CAP = 1M pages = 4GB), a small offset
-        // and 4MB allocation should work fine.
-        let mut allocator = BitmapPageAllocator::<PAGE_SIZE>::new();
-        let size = 4 * 1024 * 1024; // 4 MB size
-        let start_addr = 40960; // non-zero address (10 pages offset from 0)
-
-        allocator.init(start_addr, size);
-
-        // Verify the allocator is properly initialized
-        assert_eq!(allocator.total_pages(), size / PAGE_SIZE);
-        assert_eq!(allocator.used_pages(), 0);
-        assert_eq!(allocator.available_pages(), size / PAGE_SIZE);
-
-        // Test basic allocation
-        let addr = allocator.alloc_pages(1, PAGE_SIZE).unwrap();
-        assert_eq!(addr, start_addr);
-        assert_eq!(allocator.used_pages(), 1);
-
-        // Test deallocation
-        allocator.dealloc_pages(addr, 1);
-        assert_eq!(allocator.used_pages(), 0);
-    }
-
-    #[test]
-    fn test_init_with_1gb_aligned_start() {
-        const SIZE_1G: usize = 1024 * 1024 * 1024;
-
-        // Test with 1GB-aligned start address
-        let mut allocator = BitmapPageAllocator::<PAGE_SIZE>::new();
-        let size = 4 * 1024 * 1024; // 4 MB
-        let start_addr = SIZE_1G; // 1GB-aligned
-
-        allocator.init(start_addr, size);
-
-        // Should still support allocations with various alignments
-        let addr = allocator.alloc_pages(1, PAGE_SIZE).unwrap();
-        assert_eq!(addr, start_addr);
-        allocator.dealloc_pages(addr, 1);
-
-        // Test with larger alignment
-        let addr = allocator.alloc_pages(1, 1024 * 1024).unwrap(); // 1MB alignment
-        assert_eq!(addr % (1024 * 1024), 0);
-        allocator.dealloc_pages(addr, 1);
-    }
-
     #[test]
     #[should_panic(expected = "bitmap capacity exceeded")]
     fn test_init_capacity_exceeded() {