test: use 'f' functions with formatting directives

test/e2e/tests/evidence_test.go

@@ -35,7 +35,7 @@ func TestEvidence_Misbehavior(t *testing.T) {
 
 			// Check that evidence was as expected
 			misbehavior, ok := node.Misbehaviors[nodeEvidence.Height()]
-			require.True(t, ok, "found unexpected evidence %v in height %v",
+			require.Truef(t, ok, "found unexpected evidence %v in height %v",
 				nodeEvidence, block.Height)
 
 			switch misbehavior {
@@ -50,7 +50,7 @@ func TestEvidence_Misbehavior(t *testing.T) {
 		// see if there is any evidence that we were expecting but didn't see
 		for height, misbehavior := range node.Misbehaviors {
 			_, ok := seenEvidence[height]
-			require.True(t, ok, "expected evidence for %v misbehavior at height %v by node but was never found",
+			require.Truef(t, ok, "expected evidence for %v misbehavior at height %v by node but was never found",
 				misbehavior, height)
 		}
 	})

test/e2e/tests/net_test.go

@@ -40,7 +40,7 @@ func TestNet_Peers(t *testing.T) {
 		}
 
 		for name := range seen {
-			require.True(t, seen[name], "node %v not peered with %v", node.Name, name)
+			require.Truef(t, seen[name], "node %v not peered with %v", node.Name, name)
 		}
 	})
 }

test/e2e/tests/validator_test.go

@@ -75,9 +75,9 @@ func TestValidator_Propose(t *testing.T) {
 			valSchedule.Increment(1)
 		}
 
-		require.False(t, proposeCount == 0 && expectCount > 0,
+		require.Falsef(t, proposeCount == 0 && expectCount > 0,
 			"node did not propose any blocks (expected %v)", expectCount)
-		require.Less(t, expectCount-proposeCount, 5,
+		require.Lessf(t, expectCount-proposeCount, 5,
 			"validator missed proposing too many blocks (proposed %v out of %v)", proposeCount, expectCount)
 	})
 }
@@ -109,14 +109,14 @@ func TestValidator_Sign(t *testing.T) {
 					signCount++
 				}
 			} else {
-				require.False(t, signed, "unexpected signature for block %v", block.LastCommit.Height)
+				require.Falsef(t, signed, "unexpected signature for block %v", block.LastCommit.Height)
 			}
 			valSchedule.Increment(1)
 		}
 
-		require.False(t, signCount == 0 && expectCount > 0,
+		require.Falsef(t, signCount == 0 && expectCount > 0,
 			"node did not sign any blocks (expected %v)", expectCount)
-		require.Less(t, float64(expectCount-signCount)/float64(expectCount), 0.5,
+		require.Lessf(t, float64(expectCount-signCount)/float64(expectCount), 0.5,
 			"validator missed signing too many blocks (signed %v out of %v)", signCount, expectCount)
 	})
 }