remove rt from UT (#1675)

## PR Title Format

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- **Keyword1:** `major`, `minor`, or `patch` (case-insensitive)
- **Keyword2:** `feature`, `bugfix`, `engg`, or `tests`
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- `[MAJOR] [Feature]: new API`
- `[minor] [bugfix]: fix crash`
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## Proposed changes

Describe what this PR is trying to do.

## Type of change

- [ ] Feature work
- [ ] Bug fix
- [ ] Documentation
- [ ] Engineering change
- [x] Test
- [ ] Logging/Telemetry

## Risk

- [ ] High – Errors could cause MAJOR regression of many scenarios.
(Example: new large features or high level infrastructure changes)
- [ ] Medium – Errors could cause regression of 1 or more scenarios.
(Example: somewhat complex bug fixes, small new features)
- [x] Small – No issues are expected. (Example: Very small bug fixes,
string changes, or configuration settings changes)

## Additional information

Author: hieunguyenmsft

IdentityCore/tests/MSIDThrottlingServiceIntegrationTests.m

@@ -240,7 +240,7 @@ - (void)setUp
     [MSIDKeychainTokenCache reset];
 #endif
     self.enrollmentId = @"customEnrollmentId";
-    self.refreshToken = @"0.ARwAkq1F9o3jGk21ENGwmnSoygQgkidRUjBAsi2R7NmjfqQcADo.AgABAAAAAAB2UyzwtQEKR7-rWbgdcBZIAQDs_wIA9P-pC2Jew17JPTq51nYIbMNBqYUqRXoKqMeuNo-JnIaqgCULiag74RahCkNed_oy_TEIxdkb_rrCvkzifvcwVkSdJOdQkW452s9ZC8cdEwtaGviimxLF3CpI9yoTdKUV3Vy7raNooYEli1B1LcSFYkltLQvgiaU-YRZ5hpRAaCyB6s6x3mJc7-LVHDdSVu4RNc_fgp16HumZNF-ZiHxRCHGfYZL3MQNi8c-FVmV6-qh-yb0GQqEYH3qoQbiOjwPWg92npuH7AMzZyudgOBvKf07e5Nzn0393Yp9fK4W9pfGMDscvV_shos8S296w-ckcOFdVepnCJtGUIqIX3UuHXyYBkAlMEifuO_PfcmRMgwuX8suEGnm1N0rFWhOjHjOSw6koy0KV45nL5Ln3ktx2z1Hey0bHxV2wWq42bAnn2L8xgB-8UvNifRQC2045Ws0QKmV2yIw1fkz9WHukHdxVCdLiz1ZYeGbxyh_khiJfCk3iFu7j1cHChd7ajrX3XPzZoLusDTWY6sbsijafV6G7cHAndD64G1XEcUZ2M2ZmrNi7-uOA6-dkKyQ-btbE47fvTKhY1UCQ6f3Qu6IFrAEeG6zeOcWzIVMWRHVdp5PPrnzOCyqiYAxkpW6X65KqI2Wa4Cyb2hFczQxbmDm_MKpLPQBDJm4kqNpa1h1BBkgpLCh_H-jwQGBaJoatGWhdKQNUIS7G17DvMV-6EGBb1YQmlFzUEaxFRbFCrOc2e_XtfNl8fAq5pQYDNuygDy8Yw2B9Gj3F3hlZTGMJ4UXPRliuNH0lAoXNy78wjNytPaR3TAEghimZvT-B08JTjz8WWuwpoXBHzhw_noida5dlL1GL4yHv77zwXh3ntqCjJJajX-prpADK8yyq9xscq8mTtzgdIVgbeDy_5sfvgygNnnAw5x0aPj_-lDNgZ";
+    self.refreshToken = @"dummy_rt_for_throttling_tests";
     self.claims = @"customRefreshTokenClaims";
     self.oidcScopeString = @"user.read tasks.read openid profile offline_access";
     self.atRequestClaim = @"{\"access_token\":{\"xms_cc\":{\"values\":[\"cp1\",\"llt\"]}},\"id_token\":{\"polids\":{\"essential\":true,\"values\":[\"d77e91f0-fc60-45e4-97b8-14a1337faa28\"]}}}";
@@ -337,7 +337,7 @@ - (void)testMSIDThrottlingServiceIntegration_NonSSOSilentRequestThatReturns429Re
 
 
     NSError *subError = nil;
-    NSString *expectedThumbprintKey = @"9671032187006166342";
+    NSString *expectedThumbprintKey = @"2553929219732709129";
     //check and see if cache record exists that is mapped by the thumbprint value
     MSIDThrottlingCacheRecord *record = [[MSIDLRUCache sharedInstance] objectForKey:expectedThumbprintKey error:&subError];
     XCTAssertNotNil(record);

IdentityCore/tests/MSIDThumbprintCalculatorTests.m

@@ -63,7 +63,7 @@ - (void)setUp {
     //request params
     self.clientId = @"27922004-5251-4030-b22d-91ecd9a37ea4";
     self.scope = @"openid profile offline_access";
-    self.refresh_token = @"0.ARwAkq1F9o3jGk21ENGwmnSoygQgkidRUjBAsi2R7NmjfqQcADo.AgABAAAAAAB2UyzwtQEKR7-rWbgdcBZIAQDs_wIA9P-pC2Jew17JPTq51nYIbMNBqYUqRXoKqMeuNo-JnIaqgCULiag74RahCkNed_oy_TEIxdkb_rrCvkzifvcwVkSdJOdQkW452s9ZC8cdEwtaGviimxLF3CpI9yoTdKUV3Vy7raNooYEli1B1LcSFYkltLQvgiaU-YRZ5hpRAaCyB6s6x3mJc7-LVHDdSVu4RNc_fgp16HumZNF-ZiHxRCHGfYZL3MQNi8c-FVmV6-qh-yb0GQqEYH3qoQbiOjwPWg92npuH7AMzZyudgOBvKf07e5Nzn0393Yp9fK4W9pfGMDscvV_shos8S296w-ckcOFdVepnCJtGUIqIX3UuHXyYBkAlMEifuO_PfcmRMgwuX8suEGnm1N0rFWhOjHjOSw6koy0KV45nL5Ln3ktx2z1Hey0bHxV2wWq42bAnn2L8xgB-8UvNifRQC2045Ws0QKmV2yIw1fkz9WHukHdxVCdLiz1ZYeGbxyh_khiJfCk3iFu7j1cHChd7ajrX3XPzZoLusDTWY6sbsijafV6G7cHAndD64G1XEcUZ2M2ZmrNi7-uOA6-dkKyQ-btbE47fvTKhY1UCQ6f3Qu6IFrAEeG6zeOcWzIVMWRHVdp5PPrnzOCyqiYAxkpW6X65KqI2Wa4Cyb2hFczQxbmDm_MKpLPQBDJm4kqNpa1h1BBkgpLCh_H-jwQGBaJoatGWhdKQNUIS7G17DvMV-6EGBb1YQmlFzUEaxFRbFCrOc2e_XtfNl8fAq5pQYDNuygDy8Yw2B9Gj3F3hlZTGMJ4UXPRliuNH0lAoXNy78wjNytPaR3TAEghimZvT-B08JTjz8WWuwpoXBHzhw_noida5dlL1GL4yHv77zwXh3ntqCjJJajX-prpADK8yyq9xscq8mTtzgdIVgbeDy_5sfvgygNnnAw5x0aPj_-lDNgZ";
+    self.refresh_token = @"dummy-rt-test";
     self.redirect_uri = @"x-msauth-outlook-prod://com.microsoft.Office.Outlook";
     self.grant_type = @"refresh_token";
 
@@ -105,7 +105,7 @@ - (void)setUp {
                               @"homeAccountId:9f4880d8-80ba-4c40-97bc-f7a23c703084.f645ad92-e38d-4d1a-b510-d1b09a74a8ca",
                               @"realm:f645ad92-e38d-4d1a-b510-d1b09a74a8ca",
                               @"redirect_uri:x-msauth-outlook-prod://com.microsoft.Office.Outlook",
-                              @"refresh_token:0.ARwAkq1F9o3jGk21ENGwmnSoygQgkidRUjBAsi2R7NmjfqQcADo.AgABAAAAAAB2UyzwtQEKR7-rWbgdcBZIAQDs_wIA9P-pC2Jew17JPTq51nYIbMNBqYUqRXoKqMeuNo-JnIaqgCULiag74RahCkNed_oy_TEIxdkb_rrCvkzifvcwVkSdJOdQkW452s9ZC8cdEwtaGviimxLF3CpI9yoTdKUV3Vy7raNooYEli1B1LcSFYkltLQvgiaU-YRZ5hpRAaCyB6s6x3mJc7-LVHDdSVu4RNc_fgp16HumZNF-ZiHxRCHGfYZL3MQNi8c-FVmV6-qh-yb0GQqEYH3qoQbiOjwPWg92npuH7AMzZyudgOBvKf07e5Nzn0393Yp9fK4W9pfGMDscvV_shos8S296w-ckcOFdVepnCJtGUIqIX3UuHXyYBkAlMEifuO_PfcmRMgwuX8suEGnm1N0rFWhOjHjOSw6koy0KV45nL5Ln3ktx2z1Hey0bHxV2wWq42bAnn2L8xgB-8UvNifRQC2045Ws0QKmV2yIw1fkz9WHukHdxVCdLiz1ZYeGbxyh_khiJfCk3iFu7j1cHChd7ajrX3XPzZoLusDTWY6sbsijafV6G7cHAndD64G1XEcUZ2M2ZmrNi7-uOA6-dkKyQ-btbE47fvTKhY1UCQ6f3Qu6IFrAEeG6zeOcWzIVMWRHVdp5PPrnzOCyqiYAxkpW6X65KqI2Wa4Cyb2hFczQxbmDm_MKpLPQBDJm4kqNpa1h1BBkgpLCh_H-jwQGBaJoatGWhdKQNUIS7G17DvMV-6EGBb1YQmlFzUEaxFRbFCrOc2e_XtfNl8fAq5pQYDNuygDy8Yw2B9Gj3F3hlZTGMJ4UXPRliuNH0lAoXNy78wjNytPaR3TAEghimZvT-B08JTjz8WWuwpoXBHzhw_noida5dlL1GL4yHv77zwXh3ntqCjJJajX-prpADK8yyq9xscq8mTtzgdIVgbeDy_5sfvgygNnnAw5x0aPj_-lDNgZ",
+                              @"refresh_token:dummy-rt-test",
                               @"scope:openid profile offline_access",
                               nil];