backport browser.ini

Author: jasonLaster

src/test/mochitest/browser.ini

@@ -123,7 +123,6 @@ support-files =
 [browser_dbg-asm.js]
 [browser_dbg-async-stepping.js]
 [browser_dbg-babel-scopes.js]
-skip-if = (os == "win" && ccov) # bug 1438797
 [browser_dbg-babel-stepping.js]
 [browser_dbg-breaking.js]
 [browser_dbg-breaking-from-console.js]
@@ -185,6 +184,7 @@ skip-if = os == "win" # Bug 1434792
 [browser_dbg-sources.js]
 [browser_dbg-sources-named-eval.js]
 [browser_dbg-stepping.js]
+skip-if = debug
 [browser_dbg-tabs.js]
 [browser_dbg-tabs-pretty-print.js]
 [browser_dbg-toggling-tools.js]