made the engine race tests generic and added the race tests for the concurrent map

.github/workflows/ci-go-race-tests.yaml

@@ -1,4 +1,4 @@
-name: Enginetest Race
+name: Race tests
 
 on:
   push:
@@ -8,8 +8,8 @@ on:
   workflow_dispatch:
 
 jobs:
-  enginerace:
-    name: Go tests - race enginetests
+  racetests:
+    name: Go race tests
     defaults:
       run:
         shell: bash
@@ -26,9 +26,13 @@ jobs:
         go-version: ^1.21
       id: go
     - uses: actions/checkout@v3
-    - name: Test All
+    - name: Test engine
       working-directory: ./go
       run: |
         DOLT_SKIP_PREPARED_ENGINETESTS=1 go test -vet=off -v -race -timeout 30m github.com/dolthub/dolt/go/libraries/doltcore/sqle/enginetest
       env:
         DOLT_DEFAULT_BIN_FORMAT: ${{ matrix.dolt_fmt }}
+    - name: Test concurrentmap
+      working-directory: ./go
+      run: |
+        go test -vet=off -v -race -timeout 30m github.com/dolthub/dolt/go/libraries/utils/concurrentmap