Using redis-server from installed apt

Author: filipecosta90

.github/workflows/ci.yml

@@ -41,29 +41,25 @@ jobs:
     - name: Test OSS TCP
       timeout-minutes: 10
       run: |
-        REDIS_SERVER=../redis/src/redis-server \
         ./tests/run_tests.sh
 
     - name: Test OSS TCP TLS
       if: matrix.platform == 'ubuntu-latest'
       timeout-minutes: 10
       run: |
-        TLS=1 REDIS_SERVER=../redis/src/redis-server \
-        ./tests/run_tests.sh
+        TLS=1 ./tests/run_tests.sh
 
     - name: Test OSS-CLUSTER TCP
       timeout-minutes: 10
       run: |
         OSS_STANDALONE=0 OSS_CLUSTER=1 \
-        REDIS_SERVER=../redis/src/redis-server \
         ./tests/run_tests.sh
 
     - name: Test OSS-CLUSTER TCP TLS
       timeout-minutes: 10
       if: matrix.platform == 'ubuntu-latest'
       run: |
         OSS_STANDALONE=0 OSS_CLUSTER=1 TLS=1 \
-        REDIS_SERVER=../redis/src/redis-server \
         ./tests/run_tests.sh
 
   build-macos: