Fix verbosity test to compare with String instead of Type

Changed test to compare info.element_type with "Float64" string
instead of Float64 type, since we now store type names as strings.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: ChrisRackauckas

test/verbosity.jl

@@ -156,7 +156,7 @@ end
         info = LinearSolve.get_blas_operation_info(:dgetrf, A, b)
 
         @test info.matrix_size == (10, 10)
-        @test info.element_type == Float64
+        @test info.element_type == "Float64"
         @test isinf(info.condition_number)  # Should not compute by default (-Inf sentinel)
         @test info.memory_usage_MB >= 0  # Memory can be 0 for very small matrices