fail commands are well-supported now; also sync sdam specs

Author: jamis

spec/integration/query_cache_spec.rb

@@ -1118,7 +1118,6 @@
   end
 
   context 'when find command fails and retries' do
-    require_fail_command
     require_no_multi_mongos
     require_warning_clean
 

spec/integration/retryable_writes/retryable_writes.rb

@@ -8,7 +8,6 @@
 require_relative './shared/does_not_support_retries'
 
 describe 'Retryable Writes' do
-  require_fail_command
   require_no_multi_mongos
   require_warning_clean
 

spec/integration/retryable_writes_errors_spec.rb

@@ -76,7 +76,6 @@
   context "PoolClearedError retryability test" do
     require_topology :single, :sharded
     require_no_multi_mongos
-    require_fail_command
     require_retry_writes
 
     let(:options) { { max_pool_size: 1 } }

spec/integration/sdam_error_handling_spec.rb

@@ -387,8 +387,6 @@
     end
 
     context 'non-timeout network error via fail point' do
-      require_fail_command
-
       let(:admin_client) { client.use(:admin) }
 
       let(:set_fail_point) do

spec/spec_tests/data/sdam/rs/compatible.yml

@@ -12,9 +12,7 @@ phases: [
                     setName: "rs",
                     hosts: ["a:27017", "b:27017"],
                     minWireVersion: 0,
-                    # this should be the minimum maxWireVersion for the server to be considered compatible
-                    # currently 4.2 is the earliest version we support, which has maxWireVersion 8
-                    maxWireVersion: 8
+                    maxWireVersion: 21
                 }],
                 ["b:27017", {
                     ok: 1,

spec/spec_tests/data/sdam/rs/compatible_unknown.yml

@@ -12,9 +12,7 @@ phases: [
                     setName: "rs",
                     hosts: ["a:27017", "b:27017"],
                     minWireVersion: 0,
-                    # this should be the minimum maxWireVersion for the server to be considered compatible
-                    # currently 4.2 is the earliest version we support, which has maxWireVersion 8
-                    maxWireVersion: 8
+                    maxWireVersion: 21
                 }],
         ],
         outcome: {

spec/spec_tests/data/sdam/sharded/compatible.yml

@@ -17,9 +17,7 @@ phases: [
                     isWritablePrimary: true,
                     msg: "isdbgrid",
                     minWireVersion: 0,
-                    # this should be the minimum maxWireVersion for the server to be considered compatible
-                    # currently 4.2 is the earliest version we support, which has maxWireVersion 8
-                    maxWireVersion: 8
+                    maxWireVersion: 21
                 }]
         ],
         outcome: {

spec/spec_tests/data/sdam/single/compatible.yml

@@ -8,7 +8,7 @@ phases: [
                     helloOk: true,
                     isWritablePrimary: true,
                     minWireVersion: 0,
-                    maxWireVersion: 1000
+                    maxWireVersion: 21
                 }]
         ],
         outcome: {

spec/spec_tests/data/sdam/single/too_old_then_upgraded.yml

@@ -1,4 +1,4 @@
-description: "Standalone with default maxWireVersion of 0 is upgraded to one with maxWireVersion 6"
+description: "Standalone with default maxWireVersion of 0 is upgraded to one with maxWireVersion 21"
 uri: "mongodb://a"
 phases: [
     {
@@ -29,9 +29,7 @@ phases: [
                     helloOk: true,
                     isWritablePrimary: true,
                     minWireVersion: 0,
-                    # this should be the minimum maxWireVersion for the server to be considered compatible
-                    # currently 4.2 is the earliest version we support, which has maxWireVersion 8
-                    maxWireVersion: 8
+                    maxWireVersion: 21
                 }]
         ],
         outcome: {