Only test replica set topologies

Author: jmikola

.travis.yml

@@ -23,36 +23,25 @@ matrix:
   fast_finish: true
   include:
     - php: 5.6
-    - php: 7.0
-    - php: 7.1
-    - php: 7.2
-    - php: 7.3
-    - php: 7.0
-      dist: trusty
       env:
-        - SERVER_DISTRO=ubuntu1404
-        - SERVER_VERSION=3.0.15
-        - DEPLOYMENT=STANDALONE_OLD
-    - php: 7.0
+        - DEPLOYMENT=REPLICASET
+    - php: 5.6
       env:
-        - SERVER_VERSION=3.2.22
-        - DEPLOYMENT=STANDALONE_OLD
+        - SERVER_VERSION=4.2.0-rc1
+        - DEPLOYMENT=REPLICASET
     - php: 7.0
       env:
-        - SERVER_VERSION=3.4.21
-        - DEPLOYMENT=STANDALONE_OLD
+        - DEPLOYMENT=REPLICASET
     - php: 7.0
       env:
-        - SERVER_VERSION=3.6.13
-    - php: 7.3
-      env:
-        - DEPLOYMENT=STANDALONE_AUTH
-    - php: 7.3
+        - SERVER_VERSION=4.2.0-rc1
+        - DEPLOYMENT=REPLICASET
+    - php: 7.2
       env:
-        - DEPLOYMENT=STANDALONE_SSL
-    - php: 7.3
+        - DEPLOYMENT=REPLICASET
+    - php: 7.2
       env:
-        - SERVER_VERSION=3.6.13
+        - SERVER_VERSION=4.2.0-rc1
         - DEPLOYMENT=REPLICASET
     - php: 7.3
       env:
@@ -61,9 +50,13 @@ matrix:
       env:
         - SERVER_VERSION=4.2.0-rc1
         - DEPLOYMENT=REPLICASET
-    - php: 7.3
+    - php: 7.4
+      env:
+        - DEPLOYMENT=REPLICASET
+    - php: 7.4
       env:
-        - DEPLOYMENT=SHARDED_CLUSTER
+        - SERVER_VERSION=4.2.0-rc1
+        - DEPLOYMENT=REPLICASET
 
 before_install:
   - pip install "mongo-orchestration>=0.6.7,<1.0" --user `whoami`