ci: bump test-run

Bump test-run so we can use the `--repeat` flag.

Part of #531

NO_DOC=bump
NO_TEST=bump

Author: LevKats

.github/workflows/fast_testing.yml

@@ -100,5 +100,14 @@ jobs:
       - name: Install test requirements
         run: pip3 install --user -r test-run/requirements.txt
 
+      - name: Setup tt
+        run: |
+          curl -L https://tarantool.io/release/2/installer.sh | sudo bash
+          sudo apt install -y tt
+          tt version
+
+      - name: Setup luatest
+        run: tt rocks install luatest 1.2.1
+
       - run: cmake .
       - run: make test-force

test-run

@@ -281,7 +281,7 @@ function Server:grep_log(what, bytes, opts)
     local opts = opts or {}
     local noreset = opts.noreset or false
     -- if instance has crashed provide filename to use grep_log
-    local filename = opts.filename or self:eval('return box.cfg.log')
+    local filename = opts.filename or self.log_file
     local file = fio.open(filename, {'O_RDONLY', 'O_NONBLOCK'})
     -- This is needed to find UUID with string.match.
     what = string.gsub(what, "%-", "%%-")