diff --git a/go-junit-report_test.go b/go-junit-report_test.go
index ed4be99..f783eee 100644
--- a/go-junit-report_test.go
+++ b/go-junit-report_test.go
@@ -102,7 +102,7 @@ func testRun(inputFile, reportFile string, config TestConfig, t *testing.T) {
 	}
 
 	if diff := cmp.Diff(output.String(), string(wantReport)); diff != "" {
-		t.Errorf("Unexpected report diff (-got, +want):\n%v", diff)
+		t.Errorf("Unexpected report diff (-want, +got):\n%v", diff)
 	}
 }
 
diff --git a/pkg/parser/gotest/gotest_test.go b/pkg/parser/gotest/gotest_test.go
index e1ee75f..3cdd684 100644
--- a/pkg/parser/gotest/gotest_test.go
+++ b/pkg/parser/gotest/gotest_test.go
@@ -208,7 +208,7 @@ func TestParseLine(t *testing.T) {
 			parser.parseLine(test.input)
 			got := parser.events
 			if diff := cmp.Diff(got, want); diff != "" {
-				t.Errorf("parseLine(%q) returned unexpected events, diff (-got, +want):\n%v", test.input, diff)
+				t.Errorf("parseLine(%q) returned unexpected events, diff (-want, +got):\n%v", test.input, diff)
 			}
 		})
 	}
@@ -310,6 +310,6 @@ func TestReport(t *testing.T) {
 	parser := New(TimestampFunc(func() time.Time { return testTimestamp }))
 	actual := parser.report(events)
 	if diff := cmp.Diff(actual, expected); diff != "" {
-		t.Errorf("FromEvents report incorrect, diff (-got, +want):\n%v", diff)
+		t.Errorf("FromEvents report incorrect, diff (-want, +got):\n%v", diff)
 	}
 }
diff --git a/pkg/parser/gotest/json_test.go b/pkg/parser/gotest/json_test.go
index 1be9068..915a2bd 100644
--- a/pkg/parser/gotest/json_test.go
+++ b/pkg/parser/gotest/json_test.go
@@ -25,7 +25,7 @@ func TestJSONReaderReadAll(t *testing.T) {
 `
 
 	if diff := cmp.Diff(string(got), want); diff != "" {
-		t.Errorf("unexpected result from jsonReader, diff (-got, +want):\n%s\n", diff)
+		t.Errorf("unexpected result from jsonReader, diff (-want, +got):\n%s\n", diff)
 	}
 }
 
@@ -52,12 +52,12 @@ func TestJSONReaderReadSmallBuffer(t *testing.T) {
 		}
 
 		if diff := cmp.Diff(string(buf[:n]), string(want)); diff != "" {
-			t.Fatalf("unexpected result from jsonReader, diff (-got, +want):\n%s\n", diff)
+			t.Fatalf("unexpected result from jsonReader, diff (-want, +got):\n%s\n", diff)
 		}
 	}
 
 	_, err := r.Read(buf)
 	if err != io.EOF {
-		t.Fatalf("unexpected result from jsonReader: got %v, want %v", err, io.EOF)
+		t.Fatalf("unexpected error from jsonReader: got %v, want %v", err, io.EOF)
 	}
 }