integration-cli: SA5011: possible nil pointer dereference (staticcheck)

I think the original intent here was to make passing t optional (62a856e9129c9d5cf7db9ea6322c9073d68e3ea4),
but it looks like that's not done anywhere, so let's remove it.

    integration-cli/docker_utils_test.go:81:2: SA5011: possible nil pointer dereference (staticcheck)
        c.Helper()
        ^
    integration-cli/docker_utils_test.go:84:5: SA5011(related information): this check suggests that the pointer can be nil (staticcheck)
        if c != nil {
           ^
    integration-cli/docker_utils_test.go:106:2: SA5011: possible nil pointer dereference (staticcheck)
        c.Helper()
        ^
    integration-cli/docker_utils_test.go:108:5: SA5011(related information): this check suggests that the pointer can be nil (staticcheck)
        if c != nil {
           ^
    integration-cli/docker_utils_test.go:116:2: SA5011: possible nil pointer dereference (staticcheck)
        c.Helper()
        ^
    integration-cli/docker_utils_test.go:118:5: SA5011(related information): this check suggests that the pointer can be nil (staticcheck)
        if c != nil {
           ^
    integration-cli/docker_utils_test.go:126:2: SA5011: possible nil pointer dereference (staticcheck)
        c.Helper()
        ^
    integration-cli/docker_utils_test.go:128:5: SA5011(related information): this check suggests that the pointer can be nil (staticcheck)
        if c != nil {
           ^

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

integration-cli/docker_utils_test.go

@@ -81,9 +81,7 @@ func inspectFieldAndUnmarshall(c *testing.T, name, field string, output interfac
 	c.Helper()
 	str := inspectFieldJSON(c, name, field)
 	err := json.Unmarshal([]byte(str), output)
-	if c != nil {
-		assert.Assert(c, err == nil, "failed to unmarshal: %v", err)
-	}
+	assert.Assert(c, err == nil, "failed to unmarshal: %v", err)
 }
 
 // Deprecated: use cli.Inspect
@@ -105,9 +103,7 @@ func inspectFieldWithError(name, field string) (string, error) {
 func inspectField(c *testing.T, name, field string) string {
 	c.Helper()
 	out, err := inspectFilter(name, fmt.Sprintf(".%s", field))
-	if c != nil {
-		assert.NilError(c, err)
-	}
+	assert.NilError(c, err)
 	return out
 }
 
@@ -115,9 +111,7 @@ func inspectField(c *testing.T, name, field string) string {
 func inspectFieldJSON(c *testing.T, name, field string) string {
 	c.Helper()
 	out, err := inspectFilter(name, fmt.Sprintf("json .%s", field))
-	if c != nil {
-		assert.NilError(c, err)
-	}
+	assert.NilError(c, err)
 	return out
 }
 
@@ -125,9 +119,7 @@ func inspectFieldJSON(c *testing.T, name, field string) string {
 func inspectFieldMap(c *testing.T, name, path, field string) string {
 	c.Helper()
 	out, err := inspectFilter(name, fmt.Sprintf("index .%s %q", path, field))
-	if c != nil {
-		assert.NilError(c, err)
-	}
+	assert.NilError(c, err)
 	return out
 }