…ventual consistency errors, use standard 2 minute timeout
Reference: #7740
Reference: #13409
Output from acceptance testing:
```
--- PASS: TestAccAWSSpotFleetRequest_associatePublicIpAddress (251.97s)
--- PASS: TestAccAWSSpotFleetRequest_basic (314.23s)
--- PASS: TestAccAWSSpotFleetRequest_changePriceForcesNewRequest (612.33s)
--- PASS: TestAccAWSSpotFleetRequest_disappears (261.47s)
--- PASS: TestAccAWSSpotFleetRequest_diversifiedAllocation (403.92s)
--- PASS: TestAccAWSSpotFleetRequest_fleetType (316.94s)
--- PASS: TestAccAWSSpotFleetRequest_iamInstanceProfileArn (251.69s)
--- PASS: TestAccAWSSpotFleetRequest_instanceInterruptionBehavior (253.29s)
--- PASS: TestAccAWSSpotFleetRequest_LaunchSpecification_EbsBlockDevice_KmsKeyId (112.90s)
--- PASS: TestAccAWSSpotFleetRequest_LaunchSpecification_RootBlockDevice_KmsKeyId (142.33s)
--- PASS: TestAccAWSSpotFleetRequest_launchSpecToLaunchTemplate (467.97s)
--- PASS: TestAccAWSSpotFleetRequest_launchTemplate (253.11s)
--- PASS: TestAccAWSSpotFleetRequest_launchTemplate_multiple (254.84s)
--- PASS: TestAccAWSSpotFleetRequest_launchTemplateToLaunchSpec (468.45s)
--- PASS: TestAccAWSSpotFleetRequest_launchTemplateWithOverrides (253.43s)
--- PASS: TestAccAWSSpotFleetRequest_lowestPriceAzInGivenList (274.51s)
--- PASS: TestAccAWSSpotFleetRequest_lowestPriceAzOrSubnetInRegion (314.01s)
--- PASS: TestAccAWSSpotFleetRequest_lowestPriceSubnetInGivenList (276.90s)
--- PASS: TestAccAWSSpotFleetRequest_multipleInstancePools (486.46s)
--- PASS: TestAccAWSSpotFleetRequest_multipleInstanceTypesInSameAz (406.36s)
--- PASS: TestAccAWSSpotFleetRequest_multipleInstanceTypesInSameSubnet (231.26s)
--- PASS: TestAccAWSSpotFleetRequest_overriddingSpotPrice (295.29s)
--- PASS: TestAccAWSSpotFleetRequest_placementTenancyAndGroup (57.48s)
--- PASS: TestAccAWSSpotFleetRequest_tags (342.55s)
--- PASS: TestAccAWSSpotFleetRequest_updateExcessCapacityTerminationPolicy (597.13s)
--- PASS: TestAccAWSSpotFleetRequest_updateTargetCapacity (753.34s)
--- PASS: TestAccAWSSpotFleetRequest_withEBSDisk (255.16s)
--- PASS: TestAccAWSSpotFleetRequest_WithELBs (277.96s)
--- PASS: TestAccAWSSpotFleetRequest_withoutSpotPrice (232.56s)
--- PASS: TestAccAWSSpotFleetRequest_withTags (282.39s)
--- PASS: TestAccAWSSpotFleetRequest_WithTargetGroups (427.61s)
--- PASS: TestAccAWSSpotFleetRequest_withWeightedCapacity (335.33s)
```