chore: move stat reporting into workspacestats package (#13386)

coderd/workspaceagents_test.go

@@ -939,32 +939,6 @@ func TestWorkspaceAgentReportStats(t *testing.T) {
 		agentClient.SetSessionToken(r.AgentToken)
 
 		_, err := agentClient.PostStats(context.Background(), &agentsdk.Stats{
-			ConnectionsByProto: map[string]int64{"TCP": 1},
-			// Set connection count to 1 but all session counts to zero to
-			// assert we aren't updating last_used_at for a connections that may
-			// be spawned passively by the dashboard.
-			ConnectionCount:             1,
-			RxPackets:                   1,
-			RxBytes:                     1,
-			TxPackets:                   1,
-			TxBytes:                     1,
-			SessionCountVSCode:          0,
-			SessionCountJetBrains:       0,
-			SessionCountReconnectingPTY: 0,
-			SessionCountSSH:             0,
-			ConnectionMedianLatencyMS:   10,
-		})
-		require.NoError(t, err)
-
-		newWorkspace, err := client.Workspace(context.Background(), r.Workspace.ID)
-		require.NoError(t, err)
-
-		assert.True(t,
-			newWorkspace.LastUsedAt.Equal(r.Workspace.LastUsedAt),
-			"%s and %s should not differ", newWorkspace.LastUsedAt, r.Workspace.LastUsedAt,
-		)
-
-		_, err = agentClient.PostStats(context.Background(), &agentsdk.Stats{
 			ConnectionsByProto:          map[string]int64{"TCP": 1},
 			ConnectionCount:             1,
 			RxPackets:                   1,
@@ -979,7 +953,7 @@ func TestWorkspaceAgentReportStats(t *testing.T) {
 		})
 		require.NoError(t, err)
 
-		newWorkspace, err = client.Workspace(context.Background(), r.Workspace.ID)
+		newWorkspace, err := client.Workspace(context.Background(), r.Workspace.ID)
 		require.NoError(t, err)
 
 		assert.True(t,