Some RWC tests had dupes in their input/outher files list because paths werent both resolved (microsoft#24235)

Author: weswigham

src/harness/rwcRunner.ts

@@ -89,29 +89,29 @@ namespace RWC {
                     const uniqueNames = ts.createMap<true>();
                     for (const fileName of fileNames) {
                         // Must maintain order, build result list while checking map
-                        const normalized = ts.normalizeSlashes(fileName);
+                        const normalized = ts.normalizeSlashes(Harness.IO.resolvePath(fileName));
                         if (!uniqueNames.has(normalized)) {
                             uniqueNames.set(normalized, true);
                             // Load the file
-                            inputFiles.push(getHarnessCompilerInputUnit(fileName));
+                            inputFiles.push(getHarnessCompilerInputUnit(normalized));
                         }
                     }
 
                     // Add files to compilation
                     for (const fileRead of ioLog.filesRead) {
-                        const normalized = ts.normalizeSlashes(fileRead.path);
-                        if (!uniqueNames.has(normalized) && !Harness.isDefaultLibraryFile(fileRead.path)) {
-                            uniqueNames.set(normalized, true);
-                            otherFiles.push(getHarnessCompilerInputUnit(fileRead.path));
+                        const unitName = ts.normalizeSlashes(Harness.IO.resolvePath(fileRead.path));
+                        if (!uniqueNames.has(unitName) && !Harness.isDefaultLibraryFile(fileRead.path)) {
+                            uniqueNames.set(unitName, true);
+                            otherFiles.push(getHarnessCompilerInputUnit(unitName));
                         }
-                        else if (!opts.options.noLib && Harness.isDefaultLibraryFile(fileRead.path) && !uniqueNames.has(normalized) && useCustomLibraryFile) {
+                        else if (!opts.options.noLib && Harness.isDefaultLibraryFile(fileRead.path) && !uniqueNames.has(unitName) && useCustomLibraryFile) {
                             // If useCustomLibraryFile is true, we will use lib.d.ts from json object
                             // otherwise use the lib.d.ts from built/local
                             // Majority of RWC code will be using built/local/lib.d.ts instead of
                             // lib.d.ts inside json file. However, some RWC cases will still use
                             // their own version of lib.d.ts because they have customized lib.d.ts
-                            uniqueNames.set(normalized, true);
-                            inputFiles.push(getHarnessCompilerInputUnit(fileRead.path));
+                            uniqueNames.set(unitName, true);
+                            inputFiles.push(getHarnessCompilerInputUnit(unitName));
                         }
                     }
                 });