SERVER-34352 Run dbhash check before collection validation.

(cherry picked from commit 96ae13f)

Author: visemet

buildscripts/resmokeconfig/suites/jstestfuzz_sharded_continuous_stepdown.yml

@@ -17,12 +17,15 @@ executor:
   - class: ContinuousStepdown
     config_stepdown: true
     shard_stepdown: true
-  - class: ValidateCollections
+  # The CheckReplDBHash hook waits until all operations have replicated to and have been applied
+  # on the secondaries, so we run the ValidateCollections hook after it to ensure we're
+  # validating the entire contents of the collection.
+  - class: CheckReplDBHash
     shell_options:
       global_vars:
         TestData:
           skipValidationOnInvalidViewDefinitions: true
-  - class: CheckReplDBHash
+  - class: ValidateCollections
     shell_options:
       global_vars:
         TestData: