Update cmdline.ts and server.ts help strings. (#4140)

src/common/runtime/cmdline.ts

@@ -27,12 +27,16 @@ Options:
   --coverage                Emit coverage data.
   --verbose                 Print result/log of every test as it runs.
   --list                    Print all testcase names that match the given query and exit.
+  --list-unimplemented      Print all unimplemented tests
   --debug                   Include debug messages in logging.
   --print-json              Print the complete result JSON in the output.
   --expectations            Path to expectations file.
   --gpu-provider            Path to node module that provides the GPU implementation.
   --gpu-provider-flag       Flag to set on the gpu-provider as <flag>=<value>
   --unroll-const-eval-loops Unrolls loops in constant-evaluation shader execution tests
+  --enforce-default-limits  Enforce the default limits (note: powerPreference tests may fail)
+  --force-fallback-adapter  Force a fallback adapter
+  --log-to-websocket        Log to a websocket
   --quiet                   Suppress summary information in output
 `);
   return sys.exit(rc);

src/common/runtime/server.ts

@@ -31,6 +31,9 @@ Options:
   --gpu-provider            Path to node module that provides the GPU implementation.
   --gpu-provider-flag       Flag to set on the gpu-provider as <flag>=<value>
   --unroll-const-eval-loops Unrolls loops in constant-evaluation shader execution tests
+  --enforce-default-limits  Enforce the default limits (note: powerPreference tests may fail)
+  --force-fallback-adapter  Force a fallback adapter
+  --log-to-websocket        Log to a websocket
   --u                       Flag to set on the gpu-provider as <flag>=<value>
 
 Provides an HTTP server used for running tests via an HTTP RPC interface