Issue #1186 - Style conformity for names in installer tests

installer/src/installer-lib/test/database_test.cpp

 #include <gtest/gtest.h>
 #include "../database.h"
 
 /*
  * Note: These tests need to be run in the same directory as the MSI file.
  * There's a batch file for that purpose "run-tests.cmd".
  */
 
 TEST(Database, open)
 {
   FileSystemDatabase db(L"test-installer-lib.msi");
 }
 
-class Database_F
+class DatabaseF
   : public ::testing::Test
 {
 protected:
   FileSystemDatabase db;
 
-  Database_F()
+  DatabaseF()
     : db(L"test-installer-lib.msi")
   {}
 };
 
-TEST_F(Database_F, view_n_columns_and_n_rows)
+TEST_F(DatabaseF, CountColumnsAndRows)
 {
   View v(db, L"SELECT * FROM AbpUIText");
   Record r(v.First());
   unsigned int j;
   for (j = 0 ; r != v.End() ; ++ j)
   {
     ASSERT_EQ(3, r.NumberOfFields());
     r = v.Next();
   }
   ASSERT_EQ(4, j);
 }
 
-TEST_F(Database_F, view_single_record)
+TEST_F(DatabaseF, ViewSingleRecord)
 {
   View v(db, L"SELECT `content` FROM `AbpUIText` WHERE `component`='close_ie' and `id`='dialog_unknown'");
   Record r(v.First());
   ASSERT_EQ(1, r.NumberOfFields());
   std::wstring s(r.ValueString(1));
   std::wstring expected(L"IE is still running");
   ASSERT_GT(s.length(), expected.length());
   std::wstring prefix(s.substr(0, expected.length()));
   ASSERT_EQ(prefix, expected);
   r = v.Next();
   ASSERT_EQ(v.End(), r);
 }
 
-TEST_F(Database_F, view_single_record_parametric)
+TEST_F(DatabaseF, ViewSingleRecordParametric)
 {
   View v(db, L"SELECT `content` FROM `AbpUIText` WHERE `component`='close_ie' and `id`=?");
   Record arg(1);
   arg.AssignString(1, L"dialog_unknown");
   Record r(v.First(arg));
   ASSERT_EQ(1, r.NumberOfFields());
   std::wstring s(r.ValueString(1));
   std::wstring expected(L"IE is still running");
   ASSERT_GT(s.length(), expected.length());
   std::wstring prefix(s.substr(0, expected.length()));
   ASSERT_EQ(prefix, expected);
   r = v.Next();
   ASSERT_EQ(v.End(), r);
 }