[test] Fix typo in testing variant name

This makes it possible to directly request testing noturbofan_stress on the command line.

BUG=chromium:682617
TBR=mstarzinger@chromium.org,mvstanton@chromium.org,rmcilroy@chromium.org
NOTRY=true

Change-Id: I6ba9a022c4ef24fb5abe6878d3f2f972e8461eb8
Reviewed-on: https://chromium-review.googlesource.com/453180
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#43748}

test/debugger/debugger.status

@@ -29,14 +29,14 @@
 }],  # ALWAYS
 
 ##############################################################################
-['variant == stress', {
+['variant == stress or variant == noturbofan_stress', {
   # TODO(jarin/mstarzinger): Functions with eval or debugger now get optimized
   # with Turbofan, which has issues with the debugger issues.
   'debug/debug-evaluate-locals': [FAIL],
 
   # Very slow in stress mode.
   'regress/regress-2318': [SKIP],
-}],  # 'stress == True'
+}],  # variant == stress or variant == noturbofan_stress
 
 ##############################################################################
 ['gc_stress == True', {

tools/testrunner/local/variants.py

@@ -32,6 +32,6 @@ FAST_VARIANT_FLAGS = {
 }
 
 ALL_VARIANTS = set(["default", "stress", "turbofan", "turbofan_opt",
-                    "noturbofan", "noturbofan_opt",
+                    "noturbofan", "noturbofan_stress",
                     "nocrankshaft", "ignition",
                     "ignition_turbofan", "asm_wasm", "wasm_traps"])