SERVER-18291 create a variant of the jsCore suite for OP_COMMAND

buildscripts/resmokeconfig/suites/core_op_command.yml

@@ -0,0 +1,19 @@
+selector:
+  js_test:
+    roots:
+    - jstests/core/*.js
+
+executor:
+  js_test:
+    config:
+      shell_options:
+        rpcProtocols: opCommandOnly
+    hooks:
+    - class: CleanEveryN
+      n: 20
+    fixture:
+      class: MongoDFixture
+      mongod_options:
+        nopreallocj: ''
+        set_parameters:
+          enableTestCommands: 1

etc/evergreen.yml

@@ -615,6 +615,22 @@ tasks:
     vars:
       resmoke_args: -j8 --suites=core_auth --storageEngine=wiredTiger
 
+- <<: *task_template
+  name: jsCore_op_command
+  commands:
+  - func: "do setup"
+  - func: "run tests"
+    vars:
+      resmoke_args: -j8 --suites=core_op_command --storageEngine=mmapv1
+
+- <<: *task_template
+  name: jsCore_op_command_WT
+  commands:
+  - func: "do setup"
+  - func: "run tests"
+    vars:
+      resmoke_args: -j8 --suites=core_op_command --storageEngine=wiredTiger
+
 - <<: *task_template
   name: inMemoryExperiment
   commands:
@@ -1449,6 +1465,8 @@ buildvariants:
   - name: jsCore
   - name: jsCore_WT
   - name: jsCore_auth
+  - name: jsCore_op_command
+  - name: jsCore_op_command_WT
   - name: jsCore_compatibility
   - name: jsCore_compatibility_WT
   - name: jsCore_small_oplog