fix: Changes to fix CE test failure on EE (appsmithorg#25102)

## Description
This PR fixes the TenantServiceCETest failure that happens on EE
codebase


#### Type of change
- Bug fix (non-breaking change which fixes an issue)
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## Testing
>
#### How Has This Been Tested?
> Please describe the tests that you ran to verify your changes. Also
list any relevant details for your test configuration.
> Delete anything that is not relevant
- [ ] Manual
- [ ] Jest
- [ ] Cypress
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#### Test Plan
> Add Testsmith test cases links that relate to this PR
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#### Issues raised during DP testing
> Link issues raised during DP testing for better visiblity and tracking
(copy link from comments dropped on this PR)
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## Checklist:
#### Dev activity
- [ ] My code follows the style guidelines of this project
- [ ] I have performed a self-review of my own code
- [ ] I have commented my code, particularly in hard-to-understand areas
- [ ] I have made corresponding changes to the documentation
- [ ] My changes generate no new warnings
- [ ] I have added tests that prove my fix is effective or that my
feature works
- [ ] New and existing unit tests pass locally with my changes
- [ ] PR is being merged under a feature flag


#### QA activity:
- [ ] [Speedbreak
features](https://github.com/appsmithorg/TestSmith/wiki/Guidelines-for-test-plans#speedbreakers-)
have been covered
- [ ] Test plan covers all impacted features and [areas of
interest](https://github.com/appsmithorg/TestSmith/wiki/Guidelines-for-test-plans#areas-of-interest-)
- [ ] Test plan has been peer reviewed by project stakeholders and other
QA members
- [ ] Manually tested functionality on DP
- [ ] We had an implementation alignment call with stakeholders post QA
Round 2
- [ ] Cypress test cases have been added and approved by SDET/manual QA
- [ ] Added `Test Plan Approved` label after Cypress tests were reviewed
- [ ] Added `Test Plan Approved` label after JUnit tests were reviewed

app/server/appsmith-server/src/test/java/com/appsmith/server/services/ce/TenantServiceCETest.java

@@ -1,13 +1,18 @@
 package com.appsmith.server.services.ce;
 
 import com.appsmith.server.constants.LicensePlan;
+import com.appsmith.server.domains.Tenant;
+import com.appsmith.server.domains.TenantConfiguration;
 import com.appsmith.server.services.TenantService;
+import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
-import org.springframework.beans.factory.annotation.Autowired;
+import org.mockito.Mockito;
 import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.mock.mockito.SpyBean;
 import org.springframework.security.test.context.support.WithUserDetails;
 import org.springframework.test.context.junit.jupiter.SpringExtension;
+import reactor.core.publisher.Mono;
 import reactor.test.StepVerifier;
 
 import static org.assertj.core.api.Assertions.assertThat;
@@ -16,9 +21,18 @@
 @SpringBootTest
 @ExtendWith(SpringExtension.class)
 public class TenantServiceCETest {
-    @Autowired
+    @SpyBean
     TenantService tenantService;
 
+    @BeforeEach
+    void setup() {
+        Tenant tenant = new Tenant();
+        TenantConfiguration tenantConfiguration = new TenantConfiguration();
+        tenant.setTenantConfiguration(tenantConfiguration);
+
+        Mockito.when(tenantService.getDefaultTenant()).thenReturn(Mono.just(tenant));
+    }
+
     @Test
     @WithUserDetails("anonymousUser")
     public void getTenantConfig_Valid_AnonymousUser() {