Fixed handling of special Glob syntax in project base dirs

e.g. /some/path/[something]/

Fixes #206

lib/runner_base.js

@@ -463,29 +463,28 @@ function addFiles(kind) {
         file = file.substring(1);
       }
 
-      if (!path.isAbsolute(file)) {
-        // Don't use path.join because it will convert slashes to backslashes
-        //  on Windows, and glob interprets backslashes as escape sequences.
-        file = [
-          this.projectBaseDir,
-          this.specDir,
-          file
-        ].join('/');
-      }
-
       return {
         includeFiles: ongoing.includeFiles.concat(!hasNegation ? [file] : []),
         excludeFiles: ongoing.excludeFiles.concat(hasNegation ? [file] : [])
       };
     }, { includeFiles: [], excludeFiles: [] });
 
+    const baseDir = `${this.projectBaseDir}/${this.specDir}`;
+
     includeFiles.forEach(function(file) {
       const filePaths = glob
-        .sync(file, { ignore: excludeFiles })
+        .sync(file, { cwd: baseDir, ignore: excludeFiles })
+        .map(function(f) {
+          if (path.isAbsolute(f)) {
+            return f;
+          } else {
+            return unWindows(path.join(baseDir, f));
+          }
+        })
         .filter(function(filePath) {
           return fileArr.indexOf(filePath) === -1;
         })
-        // Sort file paths to match the behavior of Glob <9.
+        // Sort file paths consistently. Glob <9 did this but Glob >= 9 doesn't.
         // Jasmine doesn't care about the order, but users might.
         .sort();