Remove unnecessary unit tests for extension uniqueness

Refs #21231

Framework/API/inc/MantidAPI/FileFinder.h

@@ -58,8 +58,6 @@ public:
   /// DO NOT USE! MADE PUBLIC FOR TESTING ONLY.
   std::string getExtension(const std::string &filename,
                            const std::vector<std::string> &exts) const;
-  void getUniqueExtensions(const std::vector<std::string> &exts,
-                           std::set<std::string> &uniqueExts) const;
 
 private:
   friend struct Mantid::Kernel::CreateUsingNew<FileFinderImpl>;
@@ -79,6 +77,8 @@ private:
                              const std::set<std::string> &filenames,
                              const std::vector<std::string> &exts) const;
   std::string toUpper(const std::string &src) const;
+  void getUniqueExtensions(const std::vector<std::string> &exts,
+                           std::set<std::string> &uniqueExts) const;
   /// glob option - set to case sensitive or insensitive
   int m_globOption;
 };

Framework/API/src/FileFinder.cpp

@@ -512,6 +512,14 @@ FileFinderImpl::findRun(const std::string &hintstr,
   return "";
 }
 
+/**
+ * Given a set of already determined extensions and new extensions,
+ * create a set of all extensions.
+ * If not in an extension-is-case-sensitive environment, only add the
+ * lower case OR upper case version of the extension
+ * @param exts :: a vector of extensions to add
+ * @param uniqueExts :: a set of currently included extensions
+ */
 void FileFinderImpl::getUniqueExtensions(
     const std::vector<std::string> &exts,
     std::set<std::string> &uniqueExts) const {

Framework/API/test/FileFinderTest.h

@@ -347,22 +347,6 @@ public:
     std::cout << "\n end of test \n";
   }
 
-  void testGetUniqueExtensions() {
-    std::set<std::string> uniqueExts;
-    std::vector<std::string> firstExtsToAdd = {".RAW", ".log"};
-    std::vector<std::string> secondExtsToAdd = {".so", ".txt", ".RAW"};
-
-    std::set<std::string> expectedFirstExtensions = {".RAW", ".log"};
-    std::set<std::string> expectedSecondExtensions = {".RAW", ".log", ".so",
-                                                      ".txt"};
-
-    FileFinder::Instance().getUniqueExtensions(firstExtsToAdd, uniqueExts);
-    TS_ASSERT_EQUALS(uniqueExts, expectedFirstExtensions);
-
-    FileFinder::Instance().getUniqueExtensions(secondExtsToAdd, uniqueExts);
-    TS_ASSERT_EQUALS(uniqueExts, expectedSecondExtensions);
-  }
-
   void testFindAddFiles() {
     // create a test file to find
     Poco::File file("LOQ00111-add.raw");