Rename lspTestWithParameters.dart to use snake_case

Change-Id: I722b2bea1623870e49a28307d59e240f195d3999
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/286340
Commit-Queue: Brian Wilkerson <brianwilkerson@google.com>
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
Auto-Submit: Samuel Rawlins <srawlins@google.com>
diff --git a/pkg/analysis_server/tool/lspTestWithParameters.dart b/pkg/analysis_server/tool/lsp_test_with_parameters.dart
similarity index 100%
rename from pkg/analysis_server/tool/lspTestWithParameters.dart
rename to pkg/analysis_server/tool/lsp_test_with_parameters.dart