Bug 1613880 - Fix WPT metadata for I64/BigInt related tests r=lth

These tests were marked as expected to fail, but they should only fail on nightly builds.

Differential Revision: https://phabricator.services.mozilla.com/D62116

--HG--
extra : moz-landing-system : lando

testing/web-platform/meta/wasm/jsapi/global/constructor.any.js.ini

@@ -1,13 +1,16 @@
 [constructor.any.html]
   [i64 with default]
-    expected: FAIL
+    expected:
+      if nightly_build: FAIL
 
 
 [constructor.any.js]
   [i64 with default]
-    expected: FAIL
+    expected:
+      if nightly_build: FAIL
 
 
 [constructor.any.worker.html]
   [i64 with default]
-    expected: FAIL
+    expected:
+      if nightly_build: FAIL

testing/web-platform/meta/wasm/jsapi/global/value-get-set.any.js.ini

@@ -1,22 +1,28 @@
 [value-get-set.any.html]
   [i64 with default]
-    expected: FAIL
+    expected:
+      if nightly_build: FAIL
 
   [i64 with ToNumber side-effects]
-    expected: FAIL
+    expected:
+      if nightly_build: FAIL
 
 
 [value-get-set.any.js]
   [i64 with default]
-    expected: FAIL
+    expected:
+      if nightly_build: FAIL
 
   [i64 with ToNumber side-effects]
-    expected: FAIL
+    expected:
+      if nightly_build: FAIL
 
 
 [value-get-set.any.worker.html]
   [i64 with default]
-    expected: FAIL
+    expected:
+      if nightly_build: FAIL
 
   [i64 with ToNumber side-effects]
-    expected: FAIL
+    expected:
+      if nightly_build: FAIL