diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 09880b1..91bcba0 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -1,6 +1,11 @@
 name: test
 
-on: workflow_dispatch
+on: 
+  push:
+    branches: [ master, develop ]
+  pull_request:
+    branches: [ master, develop ]
+  workflow_dispatch:
 
 env:
   FOUNDRY_PROFILE: ci
@@ -22,6 +27,11 @@ jobs:
         with:
           version: nightly
 
+      - name: Check Code Formatting
+        run: |
+          forge fmt --check
+        id: formatting
+
       - name: Run Forge build
         run: |
           forge --version
diff --git a/src/circles/TemporalDiscount.sol b/src/circles/TemporalDiscount.sol
index 0debe3b..0a6e7a5 100644
--- a/src/circles/TemporalDiscount.sol
+++ b/src/circles/TemporalDiscount.sol
@@ -34,7 +34,7 @@ contract TemporalDiscount is IERC20 {
     /**
      * Store the signed 128-bit 64.64 representation of 1 as a constant
      */
-    int128 internal constant ONE_64x64 = int128(2**64);
+    int128 internal constant ONE_64x64 = int128(2 ** 64);
 
     /**
      * Reduction factor gamma for temporally discounting balances
@@ -249,7 +249,6 @@ contract TemporalDiscount is IERC20 {
             // and update the timespan in which we updated the balance.
             balanceTimeSpans[_owner] = _currentSpan;
 
-
             // emit DiscountCost only when effectively discounted.
             // if the original balance was zero before adding,
             // discount cost can still be zero, even when discounted
diff --git a/test/graph/Graph.t.sol b/test/graph/Graph.t.sol
index 0ef3deb..0b5491a 100644
--- a/test/graph/Graph.t.sol
+++ b/test/graph/Graph.t.sol
@@ -7,7 +7,7 @@ import "../../src/graph/Graph.sol";
 import "../../src/graph/ICircleNode.sol";
 import "../../src/circles/TimeCircle.sol";
 import "../../src/circles/GroupCircle.sol";
-import "./MockHubV1.sol";
+import "./MockHub.sol";
 import "./MockInternalGraph.sol";
 
 contract GraphTest is Test {
diff --git a/test/graph/GraphPathTransfer.t.sol b/test/graph/GraphPathTransfer.t.sol
index 7c0ec5e..9c22091 100644
--- a/test/graph/GraphPathTransfer.t.sol
+++ b/test/graph/GraphPathTransfer.t.sol
@@ -8,7 +8,7 @@ import "../../src/graph/ICircleNode.sol";
 import "../../src/circles/TimeCircle.sol";
 import "../../src/circles/GroupCircle.sol";
 import "../setup/TimeSetup.sol";
-import "./MockHubV1.sol";
+import "./MockHub.sol";
 
 contract GraphPathTransferTest is Test, TimeSetup {
     // Constant
diff --git a/test/graph/MockHubv1.sol b/test/graph/MockHub.sol
similarity index 100%
rename from test/graph/MockHubv1.sol
rename to test/graph/MockHub.sol