removed pull_request dispatch from the test files

.github/workflows/dispatcher.yml

@@ -26,13 +26,13 @@ jobs:
           SERVER=false
           UI=false
 
-          if [[ "$BRANCH" == *"Engine"* ] || [ "$BRANCH" == *"engine"* ]]; then
+          if "$BRANCH" == *"Engine"* || "$BRANCH" == *"engine"* ; then
             ENGINE=true
           fi
-          if [[ "$BRANCH" == *"Server"* ] || [ "$BRANCH" == *"server"* ]]; then
+          if "$BRANCH" == *"Server"* || "$BRANCH" == *"server"* ; then
             SERVER=true
           fi
-          if [[ "$BRANCH" == *"UI"* ] || [ "$BRANCH" == *"ui"* ]]; then
+          if "$BRANCH" == *"UI"* || "$BRANCH" == *"ui"* ; then
             UI=true
           fi
 

.github/workflows/engine_test.yml

@@ -1,7 +1,6 @@
 name: Engine Tests
 
 on:
-  pull_request:
   workflow_dispatch:
   workflow_call:
 

.github/workflows/server_test.yml

@@ -1,7 +1,6 @@
 name: Server Tests
 
 on:
-  pull_request:
   workflow_dispatch:
   workflow_call:
 

.github/workflows/ui_test.yml

@@ -1,7 +1,6 @@
 name: UI Tests
 
 on:
-  pull_request:
   workflow_dispatch:
   workflow_call: