diff --git a/fundamentals/exrecises/union_find/test_count.go b/fundamentals/exrecises/union_find/test_count.go
deleted file mode 100644
index e1532fd..0000000
--- a/fundamentals/exrecises/union_find/test_count.go
+++ /dev/null
@@ -1,11 +0,0 @@
-package unionfind
-
-import "log"
-
-func testCount(i implementation) {
-	qf := i.create(10)
-
-	if qf.Count() != 10 {
-		log.Fatalf("%v: Before any union number of components should be equal to number of sites", i.name)
-	}
-}
diff --git a/fundamentals/exrecises/union_find/test_file.go b/fundamentals/exrecises/union_find/test_file.go
deleted file mode 100644
index 97e236b..0000000
--- a/fundamentals/exrecises/union_find/test_file.go
+++ /dev/null
@@ -1,53 +0,0 @@
-package unionfind
-
-import (
-	"bufio"
-	"fmt"
-	"log"
-	"os"
-	"strconv"
-	"strings"
-)
-
-func testFile(fileName string, components int, i implementation) {
-	lines := readByLine(fileName)
-	count, _ := strconv.Atoi(<-lines)
-	qf := i.create(count)
-
-	for line := range lines {
-		first, second := pair(line)
-		if qf.Connected(first, second) {
-			continue
-		}
-		qf.Union(first, second)
-	}
-
-	if components != qf.Count() {
-		log.Fatalf("%v: Expected components count: %v, got: %v", i.name, components, qf.Count())
-	}
-	fmt.Printf("%v: Components: %v\n", i.name, qf.Count())
-}
-
-func readByLine(fileName string) <-chan string {
-	file, _ := os.Open(fileName)
-	scanner := bufio.NewScanner(file)
-	line := make(chan string)
-
-	go func() {
-		defer close(line)
-		for scanner.Scan() {
-			line <- scanner.Text()
-		}
-	}()
-
-	return line
-}
-
-func pair(str string) (int, int) {
-	numbers := strings.Split(str, " ")
-
-	a, _ := strconv.Atoi(numbers[0])
-	b, _ := strconv.Atoi(numbers[1])
-
-	return a, b
-}
diff --git a/fundamentals/exrecises/union_find/test_find.go b/fundamentals/exrecises/union_find/test_find.go
deleted file mode 100644
index 0f86a83..0000000
--- a/fundamentals/exrecises/union_find/test_find.go
+++ /dev/null
@@ -1,11 +0,0 @@
-package unionfind
-
-import "log"
-
-func testFind(i implementation) {
-	qf := i.create(2)
-
-	if qf.Find(0) != 0 || qf.Find(1) != 1 {
-		log.Fatalf("%v Before union all sites belongs to component with same number", i.name)
-	}
-}
diff --git a/fundamentals/exrecises/union_find/test_union.go b/fundamentals/exrecises/union_find/test_union.go
deleted file mode 100644
index d53fa90..0000000
--- a/fundamentals/exrecises/union_find/test_union.go
+++ /dev/null
@@ -1,33 +0,0 @@
-package unionfind
-
-import "log"
-
-func testUnion(i implementation) {
-	qf := i.create(4)
-
-	qf.Union(0, 1)
-
-	if !qf.Connected(0, 1) {
-		log.Fatalf("%v: sites should be connected after union", i.name)
-	}
-
-	if qf.Find(0) != qf.Find(1) {
-		log.Fatalf("%v after union sites should be in the same component", i.name)
-	}
-
-	qf.Union(2, 3)
-
-	if !qf.Connected(2, 3) {
-		log.Fatalf("%v: sites should be connected after union", i.name)
-	}
-
-	if qf.Find(2) != qf.Find(3) {
-		log.Fatalf("%v after union sites should be in the same component", i.name)
-	}
-
-	qf.Union(1, 2)
-
-	if qf.Count() != 1 {
-		log.Fatalf("%v after union count should be decreased", i.name)
-	}
-}
diff --git a/fundamentals/exrecises/union_find/union_find_test.go b/fundamentals/exrecises/union_find/union_find_test.go
index 472fb8a..1bf8051 100644
--- a/fundamentals/exrecises/union_find/union_find_test.go
+++ b/fundamentals/exrecises/union_find/union_find_test.go
@@ -1,6 +1,12 @@
 package unionfind
 
 import (
+	"bufio"
+	"fmt"
+	"log"
+	"os"
+	"strconv"
+	"strings"
 	"testing"
 )
 
@@ -24,6 +30,95 @@ var implementations = []implementation{
 	},
 }
 
+func testUnion(i implementation) {
+	qf := i.create(4)
+
+	qf.Union(0, 1)
+
+	if !qf.Connected(0, 1) {
+		log.Fatalf("%v: sites should be connected after union", i.name)
+	}
+
+	if qf.Find(0) != qf.Find(1) {
+		log.Fatalf("%v after union sites should be in the same component", i.name)
+	}
+
+	qf.Union(2, 3)
+
+	if !qf.Connected(2, 3) {
+		log.Fatalf("%v: sites should be connected after union", i.name)
+	}
+
+	if qf.Find(2) != qf.Find(3) {
+		log.Fatalf("%v after union sites should be in the same component", i.name)
+	}
+
+	qf.Union(1, 2)
+
+	if qf.Count() != 1 {
+		log.Fatalf("%v after union count should be decreased", i.name)
+	}
+}
+
+func testFind(i implementation) {
+	qf := i.create(2)
+
+	if qf.Find(0) != 0 || qf.Find(1) != 1 {
+		log.Fatalf("%v Before union all sites belongs to component with same number", i.name)
+	}
+}
+
+func testFile(fileName string, components int, i implementation) {
+	lines := readByLine(fileName)
+	count, _ := strconv.Atoi(<-lines)
+	qf := i.create(count)
+
+	for line := range lines {
+		first, second := pair(line)
+		if qf.Connected(first, second) {
+			continue
+		}
+		qf.Union(first, second)
+	}
+
+	if components != qf.Count() {
+		log.Fatalf("%v: Expected components count: %v, got: %v", i.name, components, qf.Count())
+	}
+	fmt.Printf("%v: Components: %v\n", i.name, qf.Count())
+}
+
+func readByLine(fileName string) <-chan string {
+	file, _ := os.Open(fileName)
+	scanner := bufio.NewScanner(file)
+	line := make(chan string)
+
+	go func() {
+		defer close(line)
+		for scanner.Scan() {
+			line <- scanner.Text()
+		}
+	}()
+
+	return line
+}
+
+func pair(str string) (int, int) {
+	numbers := strings.Split(str, " ")
+
+	a, _ := strconv.Atoi(numbers[0])
+	b, _ := strconv.Atoi(numbers[1])
+
+	return a, b
+}
+
+func testCount(i implementation) {
+	qf := i.create(10)
+
+	if qf.Count() != 10 {
+		log.Fatalf("%v: Before any union number of components should be equal to number of sites", i.name)
+	}
+}
+
 func TestCount(t *testing.T) {
 	for _, implementation := range implementations {
 		testCount(implementation)