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[Internal] Tests: Fixes test reliability across flaky and nightly tests #5643

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2cffad7
[Internal] Improve test reliability across flaky and nightly tests
NaluTripician Feb 26, 2026
054aa8e
[Internal] Tests: Fixes flaky hedging and ThinClient test reliability
NaluTripician Feb 26, 2026
7c831e1
[Internal] Tests: Refactors timing-dependent tests to use determinist…
NaluTripician Feb 26, 2026
db736ad
Merge branch 'master' into users/nalutripician/improve-test-reliability
NaluTripician Mar 3, 2026
0b19499
Merge branch 'master' into users/nalutripician/improve-test-reliability
NaluTripician Mar 4, 2026
b1f3714
Tests: Removes retry loop from DistributedTransactionE2ETests
NaluTripician Mar 4, 2026
36647c7
Merge branch 'master' into users/nalutripician/improve-test-reliability
NaluTripician Mar 5, 2026
d4a7d21
Merge branch 'master' into users/nalutripician/improve-test-reliability
NaluTripician Mar 10, 2026
b1ac928
Merge branch 'master' into users/nalutripician/improve-test-reliability
NaluTripician Mar 17, 2026
0d908a2
Merge branch 'master' into users/nalutripician/improve-test-reliability
NaluTripician Mar 18, 2026
259363d
Merge branch 'master' into users/nalutripician/improve-test-reliability
NaluTripician Mar 18, 2026
a54dcd9
Merge branch 'master' into users/nalutripician/improve-test-reliability
NaluTripician Mar 19, 2026
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12 changes: 12 additions & 0 deletions Microsoft.Azure.Cosmos/tests/Microsoft.Azure.Cosmos.EmulatorTests/ClientTelemetryTests.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -77,6 +77,7 @@ public override async Task Cleanup()
}

[TestMethod]
[Timeout(300000)]
[DataRow(ConnectionMode.Direct, true)]
[DataRow(ConnectionMode.Gateway, true)]
[DataRow(ConnectionMode.Direct, false)]
Expand All @@ -87,6 +88,7 @@ public override async Task PointSuccessOperationsTest(ConnectionMode mode, bool
}

[TestMethod]
[Timeout(300000)]
[DataRow(ConnectionMode.Direct)]
[DataRow(ConnectionMode.Gateway)]
public override async Task PointReadFailureOperationsTest(ConnectionMode mode)
Expand All @@ -95,6 +97,7 @@ public override async Task PointReadFailureOperationsTest(ConnectionMode mode)
}

[TestMethod]
[Timeout(300000)]
[DataRow(ConnectionMode.Direct)]
[DataRow(ConnectionMode.Gateway)]
public override async Task StreamReadFailureOperationsTest(ConnectionMode mode)
Expand All @@ -103,6 +106,7 @@ public override async Task StreamReadFailureOperationsTest(ConnectionMode mode)
}

[TestMethod]
[Timeout(300000)]
[DataRow(ConnectionMode.Direct)]
[DataRow(ConnectionMode.Gateway)]
public override async Task StreamOperationsTest(ConnectionMode mode)
Expand All @@ -111,6 +115,7 @@ public override async Task StreamOperationsTest(ConnectionMode mode)
}

[TestMethod]
[Timeout(300000)]
[DataRow(ConnectionMode.Direct)]
[DataRow(ConnectionMode.Gateway)]
public override async Task BatchOperationsTest(ConnectionMode mode)
Expand All @@ -119,6 +124,7 @@ public override async Task BatchOperationsTest(ConnectionMode mode)
}

[TestMethod]
[Timeout(300000)]
[DataRow(ConnectionMode.Direct)]
[DataRow(ConnectionMode.Gateway)]
public override async Task SingleOperationMultipleTimesTest(ConnectionMode mode)
Expand All @@ -127,6 +133,7 @@ public override async Task SingleOperationMultipleTimesTest(ConnectionMode mode)
}

[TestMethod]
[Timeout(300000)]
[DataRow(ConnectionMode.Direct)]
[DataRow(ConnectionMode.Gateway)]
public override async Task QueryOperationSinglePartitionTest(ConnectionMode mode)
Expand All @@ -135,6 +142,7 @@ public override async Task QueryOperationSinglePartitionTest(ConnectionMode mode
}

[TestMethod]
[Timeout(300000)]
[DataRow(ConnectionMode.Direct)]
[DataRow(ConnectionMode.Gateway)]
public override async Task QueryMultiPageSinglePartitionOperationTest(ConnectionMode mode)
Expand All @@ -143,6 +151,7 @@ public override async Task QueryMultiPageSinglePartitionOperationTest(Connection
}

[TestMethod]
[Timeout(300000)]
[DataRow(ConnectionMode.Direct)]
[DataRow(ConnectionMode.Gateway)]
public override async Task QueryOperationCrossPartitionTest(ConnectionMode mode)
Expand All @@ -151,6 +160,7 @@ public override async Task QueryOperationCrossPartitionTest(ConnectionMode mode)
}

[TestMethod]
[Timeout(300000)]
[DataRow(ConnectionMode.Direct)]
[DataRow(ConnectionMode.Gateway)]
public override async Task QueryOperationMutiplePageCrossPartitionTest(ConnectionMode mode)
Expand All @@ -159,6 +169,7 @@ public override async Task QueryOperationMutiplePageCrossPartitionTest(Connectio
}

[TestMethod]
[Timeout(300000)]
[DataRow(ConnectionMode.Direct)]
[DataRow(ConnectionMode.Gateway)]
public override async Task QueryOperationInvalidContinuationTokenTest(ConnectionMode mode)
Expand All @@ -167,6 +178,7 @@ public override async Task QueryOperationInvalidContinuationTokenTest(Connection
}

[TestMethod]
[Timeout(300000)]
[DataRow(ConnectionMode.Direct)]
public override async Task CreateItemWithSubStatusCodeTest(ConnectionMode mode)
{
Expand Down
6 changes: 3 additions & 3 deletions ...zure.Cosmos/tests/Microsoft.Azure.Cosmos.EmulatorTests/CosmosAvailabilityStrategyTests.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -214,7 +214,7 @@ public async Task AvailabilityStrategyNoTriggerTest(bool isPreferredLocationsEmp
.Build(),
result:
FaultInjectionResultBuilder.GetResultBuilder(FaultInjectionServerErrorType.ResponseDelay)
.WithDelay(TimeSpan.FromMilliseconds(200))
.WithDelay(TimeSpan.FromMilliseconds(500))
.Build())
.WithDuration(TimeSpan.FromMinutes(90))
.Build();
Expand Down Expand Up @@ -243,7 +243,7 @@ public async Task AvailabilityStrategyNoTriggerTest(bool isPreferredLocationsEmp
ConnectionMode = ConnectionMode.Direct,
ApplicationPreferredRegions = isPreferredLocationsEmpty ? new List<string>() : new List<string>() { region1, region2 },
AvailabilityStrategy = AvailabilityStrategy.CrossRegionHedgingStrategy(
threshold: TimeSpan.FromMilliseconds(150),
threshold: TimeSpan.FromMilliseconds(300),
thresholdStep: TimeSpan.FromMilliseconds(50)),
Serializer = this.cosmosSystemTextJsonSerializer
};
Expand Down Expand Up @@ -585,7 +585,7 @@ public async Task AvailabilityStrategyAllFaultsTests(string operation, string co
ConnectionMode = ConnectionMode.Direct,
ApplicationPreferredRegions = isPreferredLocationsEmpty ? new List<string>() :new List<string>() { region1, region2 },
AvailabilityStrategy = AvailabilityStrategy.CrossRegionHedgingStrategy(
threshold: TimeSpan.FromMilliseconds(100),
threshold: TimeSpan.FromMilliseconds(200),
thresholdStep: TimeSpan.FromMilliseconds(50)),
Serializer = this.cosmosSystemTextJsonSerializer
};
Expand Down
4 changes: 2 additions & 2 deletions ...oft.Azure.Cosmos/tests/Microsoft.Azure.Cosmos.EmulatorTests/CosmosItemIntegrationTests.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -794,7 +794,7 @@ public async Task ReadItemAsync_WithCircuitBreakerEnabledAndSingleMasterAccountA
await this.TryCreateItems(itemsList);

//Must Ensure the data is replicated to all regions
await Task.Delay(3000);
await Task.Delay(5000);

bool isRegion1Available = true;
bool isRegion2Available = true;
Expand Down Expand Up @@ -1055,7 +1055,7 @@ public async Task ReadItemAsync_WithCircuitBreakerDisabledAndSingleMasterAccount
await this.TryCreateItems(itemsList);

//Must Ensure the data is replicated to all regions
await Task.Delay(3000);
await Task.Delay(5000);

int consecutiveFailureCount = 10;
for (int attemptCount = 1; attemptCount <= consecutiveFailureCount; attemptCount++)
Expand Down
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