Enhance PoliciesControllerTests to verify error messages for BadRequest responses by checking for specific field names in the response content.

Author: r-tome

test/Api.IntegrationTest/AdminConsole/Controllers/PoliciesControllerTests.cs

@@ -233,6 +233,8 @@ public async Task Put_MasterPasswordPolicy_InvalidDataType_ReturnsBadRequest()
 
         // Assert
         Assert.Equal(HttpStatusCode.BadRequest, response.StatusCode);
+        var content = await response.Content.ReadAsStringAsync();
+        Assert.Contains("minLength", content); // Verify field name is in error message
     }
 
     [Fact]
@@ -306,6 +308,8 @@ public async Task PutVNext_MasterPasswordPolicy_InvalidDataType_ReturnsBadReques
 
         // Assert
         Assert.Equal(HttpStatusCode.BadRequest, response.StatusCode);
+        var content = await response.Content.ReadAsStringAsync();
+        Assert.Contains("minComplexity", content); // Verify field name is in error message
     }
 
     [Fact]